TY  - BOOK
AU  - Bar, George,
AU  - Teppich, John
AU  - Bar,George
TI  - Science research experiments for young people
SN  - 0486261115
AV  - Q163 B3713
PY  - 1989///
CY  - New York
PB  - Dover
KW  - Ciencia
KW  - Literatura juvenil
KW  - Experimentos
ER  -