By Ley, Willy.
New York Time, inc. 1962 .
192 p. 28 cm..

By Andrist, Ralph K.,.
New York American Heritage Pub. Co.; book trade distribution by Meredith Press; institutional distribution by Harper 1962 .
153 p. 27 cm..

By Asimov Isaac.
New York, N.Y. Dutton 1975 .
xii, 363 p. , "Truman Talley books." | Includes index. 0525485732

By Ley, Willy.
México Offset Multicolor 1966 .
p. , Translation of: The poles.

By Lucas, Joseph..
Madrid | [s.l.] Interiberica | Danbury Press 1976 .
144 p. , Includes index. | Translation of Polar life. 27 cm..
8438200079 | 8438200346

By Jackson, Donald Dale.
Alexandria, Va. Time-Life Books 1983 .
176 p. , Includes index. 29 cm..
0809433664 | 0809433672 (lib. bdg.)

[Geneva, Switzerland World Meteorological Organization, Global Ozone Research and Monitoring Project] 1990 .
v. <1 > , Vol. 1 is the report of the Scientific Assessment Panel convened under the 1987 Montreal Protocol on Substances That Deplete the Ozone Layer. Vol. 2 is the research papers prepared by the Alternative Fluorocarbon Environamental Acceptability Study (AFEAS) and published as the AFEAS report. 9280712551 (v. 1)

By Ley, Willy.
New York Time-Life Books 1971 .
192 p. , Includes index. 28 cm..

Nairobi Produced by Division of Early Warning and Assessment (DEWA), UNEP 2006 .
iv, 82 p. , UNEP job no.: DEW/0773/ NA. | Includes Bibliographical References. | Sales no. not printed. | Available in Arabic, Chinese, English, French, Russian and Spanish at UNEP website (viewed 05 November 2008). 25 cm..

Washington, D.C. Smithsonian Institution Scholarly Press 2009 .
xv, 405 p. , Shipping list no.: 2009-0202-P. 28 cm..
9780978846015 (pbk. : alk. paper) | 097884601X