TY  - BOOK
AU  - Holmes,Neal J.
AU  - Leake,John B.
TI  - Caminos a la ciencia
SN  - 0070300518 (v. 1)
AV  - Q163 .H74 1985
U1  - 500 
PY  - 1985///
CY  - New York
PB  - Webster Division, McGraw-Hill
KW  - Science
KW  - Juvenile literature
KW  - Local
N1  - Translation of: Gateways of science
ER  -