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Magnetism /
by Riley, Peter D.
Publication:
New York : Franklin Watts, 1999
. 32 p. :
, Includes index.
27 cm.
Date:1999
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Forces and movement /
by Riley, Peter D.
Publication:
New York : Franklin Watts, 1998
. 32 p. :
, Includes index.
27 cm.
Date:1998
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100 facts: planet earth
by Riley, Peter
Publication:
Thaxted, Essex, UK : Miles,Kelly Publishing , 2002
Date:2002
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(1),
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