TY  - BOOK
TI  - The illustrated science and invention encyclopedia, v.1
AV  - REF 500 Il6 1977
PY  - 1977///
CY  - New York
PB  - H. S. Stuttman
KW  - Encyclopedias
KW  - Science
KW  - Study and teaching
N1  - 20 vol. (No vol.12)
ER  -