Ecology, pollution, environment
Subtitle: [by] Amos Turk, Jonathan Turk [and] Janet T. Wittes.
Contributors: Wittes, Janet Turk.; Turk, Jonathan.
Series: Saunders golden series
Publisher: Saunders
Published: 1972
Place of publication: Philadelphia
Language: eng
Number of pages: 217
Subjects: Population; Pollution; Ecology
Notes: Includes bibliography.