000 006460000a22002170004500
001 18113
010 _a400$
090 _a18113
100 _a20190520 frey50
101 _aeng
200 0 1 _aThe production of organic matter by the phytoplankton in a danish lake receiving extraordinarily Great amounts of nutrient salts [Texto fotocopiado]
_fE. Steeman Nielsen
210 _a[S.l.]
_c1955
_d[s.n.]
215 _ap. 68-74
_cil.
_d26 cm
317 _aIPIMAR
320 _aContém bibliografia
606 _aFitoplancton
606 _aNutrientes
606 _aProdutividade
676 _a246 n
686 _aD 61
700 _aNielsen,
_bE. Steemann