Ecology man's effect on his environment and its mechanisms

Opis bibliograficzny
1. autor:	Hoke, John
Kolejni autorzy:	Cuffari, Richard
Format:	Książka
Język:	English
Wydane:	New York Franklin Watts c1971.
Seria:	A First book
Hasła przedmiotowe:	Ecology > Juvenile literature. Nature > Effects of human beings on > Juvenile literature. Nature > Effects of human beings on.