Our man-made environment ; book seven
By: [by] Alan Levy, William B. Chapman, Richard Saul Wurman
Contributors: Chapman, William B; Wurman, Richard Saul, 1935-; Group for Environmental Education
Edition: Revised ed. number two
Published: 1970
Place of publication: Philadelphia : Group for Environmental Education
Language: eng
Number of pages: 80
Subjects: Human ecology -- Study and teaching; Nature -- Effect of human beings on -- Study and teaching
Notes: Punch outs in end paper pocket