Harmondsworth, Middlesex: Penguin Books, 1965. First Paperback Edition. Paperback. A Pelican book. # A761.
A series of studies commissioned by Scientific American from a team of international experts on the plain facts of earth's resources and of the human claims on them.More
Bombay: American Technical Society/D.B. Taraporevala Sons & Co. Private Limited, 1970. First Indian Reprint. Hardcover. According to c/r page book reprinted as part of Joint Indian-American Textbook Programme. More