by Harold W. Helfrich
Paperback
ISBN: 978-0-300-01433-4
ISBN-10: 0-300-01433-3
Yale University Press · 1970
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by Harold W. HelfrichPaperback
ISBN: 978-0-300-01433-4 ISBN-10: 0-300-01433-3 Yale University Press · 1970 |
| See also: | ||
| 1971 | Hardcover | The Environmental Crisis (FastBack Series) (No. 2) |
| 1970 | Hardcover | The Environmental crisis (No. 1) |