Verstraete, Larry.
Mysteries of time /
Larry Verstraete ; illustrated by Ljuba Levstek.
- Richmond Hill, Ont. : Scholastic Canada, c1992.
- xvii, 171 p. : ill. ; 23 cm.
Includes bibliographical references: p. 168-171.
0590730932 : $5.95
Science--Methodology.
Archaeology.
Earth.
Sciences--MeĢthodologie.
ArcheĢologie.
Terre.
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