/ by Delwyn Davies. Garden City, N.Y, Published for the American Museum of Natural History New York by the Natural History Press
EDITION STATEMENT
Edition Statement
[1969.c1967]
PHYSICAL DESCRIPTION
Specific Material Designation and Extent of Item
155p.
Other Physical Details
: illus.(part col.) col, maps.
Dimensions
; 27 cm
SERIES
Series Title
Nature and science library
GENERAL NOTES
Text of Note
انگليسي
Text of Note
Discusses the physical and chemical properties of water, its biological importance to all forms of life, man's extensive use but limited sources of fresh water, and the modern problems of water supplu, pollution, and purification