TY  - BOOK
AU  - Jacobs,Marian B.
TI  - Why do the oceans have tides?
SN  - 082395272X
U1  - 551.4708 
PY  - 1999///
CY  - New York
PB  - PowerKids Press
KW  - Tides
N1  - Includes index
N2  - Discusses the nature, causes, effects, and uses of tides
ER  -