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Polar regions /
by Lambert, David,
Publication:
Morristown, N.J. : Silver Burdett Press, 1988
. 48 p. :
, Includes index.
28 cm.
Date:1988
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(1),
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Conserving the polar regions /
by James, Barbara,
Publication:
Austin, Tex. : Steck-Vaughn, 1991
. 48 p. :
, Originally published: East Sussex, England : Wayland, 1990.
28 cm.
Date:1991
Availability:
Copies available:
(1),
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