TY  - BOOK
TI  - Environmental quality: the first annual report of the council on environmental quality
U1  - 574.5 
PY  - 1970///
CY  - WashigntonD.C.
PB  - The Congress
KW  - Ecología
KW  - Contaminación ambiental
N1  - FACULTAD DE ZOOTECNIA
ER  -