TY  - BOOK
AU  - Wyler, Rose .
AU  -  Ames, Gerald
AU  -  Stubis, Tālivaldis
TI  - Prove it! / 
U1  - 300 
PY  - 1973///
CY  - New York
PB  -  Scholastic Book Services, 
KW  -  Science --
KW  -  Experiments -
KW  - - Juvenile literature.
KW  -  Readers (Primary)
KW  -  Picture books for children.
ER  -