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221. Contribuição para o estudo da qualidade das águas da bacia hidrográfica do rio Ave by Ministério da Administração Interna, Comisão de Coordenação da Região do Norte Publication: Porto 1979 Comisão de Coordenação da Região do Norte . 2 vol. ([6], 137 p. ; pag. var.) 30 cm Availability: Items available: Biblioteca de Algés (1),

222. A gestão da água : princípios fundamentais e sua aplicação em Portugal by L. Veiga da Cunha, A. Santos Gonçalves, V. Alves de Figueiredo, Mário Lino Publication: Lisboa [1980?] Fundação Calouste Gulbenkian . X, 695 p. 24 cm Availability: Items available: Biblioteca de Algés (1),

223. Giant prawn farming : selected papers presented at Giant Prawn 1980 by International Conference on Freshwater Prawn Farming ; edited by Michael B. New Publication: Amsterdam 1982 Elsevier . XII, 532 p. 25 cm Availability: Items available: Biblioteca de Algés (1),

224. A revised key to the British species of crustacea : malacostraca occurring in fresh water with notes on their ecology and distribution by T. Gledhill, D. W. Sutcliffe, W. D. Williams Publication: Ambleside 1976 Freshwater Biological Association . 71, [1] p. 25 cm Availability: Items available: Biblioteca de Algés (1),

225. Primary productivity and limiting factors in three lakes of the Alaska Peninsula [Texto fotocopiado] by Charles R. Goldman Publication: [S.l.] 1960 [s.n.] . 24 p. 30 cm Availability: Items available: Biblioteca de Algés (1),

226. A gestão da água : princípios fundamentais e sua aplicação em Portugal by L. Veiga da Cunha, A. Santos Gonçalves, V. Alves de Figueiredo, Mário Lino Publication: Lisboa [1980?] Fundação Calouste Gulbenkian . X, 695 p. 24 cm Availability: Items available: Biblioteca de Algés (1),

227. A qualidade de águas na bacia hidrográfica do Rio Lima : aspectos físico-químico e bacteriológico by Branca Maria Gonçalves Publication: Porto 1983 Comissão de Coordenção da Região do Norte . 112 p. 29 cm Availability: Items available: Biblioteca de Algés (1),

228. Current status and problems on preservation of Spermatozon and ova of freshwater fishes [Texto mimeografado] by E. F. Graham, D. A. Erdahl Publication: [S.l.] [19--?] [s.n.] . pág. var. 29 cm Availability: Items available: Biblioteca de Algés (1),

229. Methods of seawater analysis by Klaus Grasshoff with contributions by T. Almgreen, R. Dawson, M. Ehrhardt, S. H. Fonselius, B. Josefsson, F. Koroleff, K. Kremling Publication: Weinheim 1976 Verlag Chemie . XVI, [2], 317 p. 25 cm Availability: Items available: Biblioteca de Algés (1),

230. The regulation of the biomasses of small 41 cm northern pike Escx lucius L. with special reference to the contribution of individuals stocked as fingerlings 4-6 cm   Publication: Availability: Items available: Biblioteca de Algés (1),

231. Protection des eaux de surface : synthèse des normes reglementaires protégeant les eaux de surface contre la pollution : 1º parte. Méthodes pratiques se mesure des principaux agents polluants : 2ª parte by par A. Grosjean / par N. Dotreppe-Guisard, D. Van den Ackerveken Publication: [S.l.] [19--?] [s.n.] . 225 p. 22 cm Availability: Items available: Biblioteca de Algés (1),

232. Water quality problems in Ria de Aveiro : a preliminary assessment by Aristides Hall Publication: Availability: Items available: Biblioteca de Algés (1),

233. Water quality problems in Ria de Aveiro : a preliminary assessment by Aristides Hall Publication: Availability: Items available: Biblioteca de Algés (1),

234. A key to the British freshwater cyclopid and calanoid copepods by J. P. Harding, W. A. Smith Publication: Ambleside 1974 Freshwater Biological Association . 54, [2] p. 22 cm Availability: Items available: Biblioteca de Algés (1),

235. Tropical inland fisheries by C. F. Hickling Publication: London cop. 1961 Longmans . 287 p. 22 cm Availability: Items available: Biblioteca de Algés (1),

236. Parasites of freshwater fishes : a review of their control and treatment by Glenn Hoffman, fred P. Meyer Publication: Neptune City 1974 TFH . 224 p. 21 cm Availability: Items available: Biblioteca de Algés (1),

237. Parasites of North American freshwater fishes by Glenn L. Hoffman Publication: Berkeley 1970 University of California Press . viii, [2], 486 p. 24 cm Availability: Items available: Biblioteca de Algés (1),

238. Die Kieselalgen Deutschlands, Õsterreichs und der Schweiz unter Beriicksichtigung der übrigen Lãnder Europas sowie der angrenzenden Meeresgebiete by Friedrich Hustedt Publication: Koenigstein 1977 Otto Koeltz Science Publ. . 3 vol. 22 cm Availability: Items available: Biblioteca de Algés (1),

239. A treatise on limnology by George Evelyn Hutchinson Publication: New York 1957-1975 John Wiley . 3 vol. 24 cm Availability: Items available: Biblioteca de Algés (1),

240. The biology of polluted waters by H. B. N. Hynes Publication: Liverpool 1974 Liverpool University Press . xiv, 202 p. 24 cm Availability: Items available: Biblioteca de Algés (1),

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