TY  - BOOK
AU  - Parker,Sybil P.
TI  - McGraw-Hill encyclopedia of environmental science
SN  - 0070452644
U1  - C 304.203 
PY  - 1980///
CY  - New York
PB  - McGraw Hill, 
KW  - ECOLOGIA
KW  - ENCICLOPEDIAS
KW  - MEDIO AMBIENTE
KW  - PROTECCION DEL MEDIO AMBIENTE
N1  - Some of the material in this volume has been published previously in the McGraw-Hill encyclopedia of science and technology, fourth edition; Incluye referencias bibliográficas e índices
ER  -