TY  - BOOK
AU  - Fredericks,Anthony D.
AU  - Zweifel,Frances
TI  - Simple nature experiments with everyday materials
SN  - 8172451458
U1  - 507 F852 2000 
PY  - 2000///
CY  - New Delhi
PB  - Goodwill Publishing House
KW  - Science experiments
N1  - Includes index
ER  -