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Dinosaurs of North America /
by Sattler, Helen Roney.
Publication:
New York : Lothrop, Lee & Shepard Books, 1981
. vii, 151 p. :
, Includes index.
29 cm.
Date:1981
Availability:
Copies available:
(1),
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Pterosaurs, the flying reptiles /
by Sattler, Helen Roney.
Publication:
New York : Lothrop, Lee & Shepard Books, 1985
. 43 p. :
29 cm.
Date:1985
Availability:
Copies available:
(1),
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