Ecology, pollution, environment /
Turk, Amos.
Ecology, pollution, environment / Amos Turk, Jonathan Turk and Janet T. Wittes. - Philadelphia : Saunders , 1972. - ix, 217 p. : ill. ; 23 cm. - Saunders golden series. .
Includes index.
Includes bibliographical references.
0721691388 (pbk.)
Pollution.
Ecology.
Population.
Ecology, pollution, environment / Amos Turk, Jonathan Turk and Janet T. Wittes. - Philadelphia : Saunders , 1972. - ix, 217 p. : ill. ; 23 cm. - Saunders golden series. .
Includes index.
Includes bibliographical references.
0721691388 (pbk.)
Pollution.
Ecology.
Population.