000 008730000a22002530004500
001 20754
010 _a0309027853
090 _a20754
100 _a20190520 frey50
101 _aeng
102 _aUS
200 0 1 _aNitrates : an environmental assessment : a report
_fprepared by the Panel on Nitrates of the Coordinating Committee for Scientific and Technical Assessments of Environmental Pollutants
210 _aWashington
_c1978
_dNational Academy of Science
215 _axxv, 721 p.
_d28 cm
310 _abrochado
317 _aIPIMAR
320 _aContém bibliografia
606 _aAzoto
606 _aCiclo do azoto
606 _aNitratos
676 _a176 u
686 _aD 00
686 _aG 22
710 _aEstados Unidos da América. National Research Council. Coordinating Committee for Scientific and Technical Assessments of Environmental Pollutants