TY  - BOOK
AU  - Purnell
AU  - Kerrod, Robin
TI  - Purnell's concise encyclopedia of science
SN  - 0-361-02127-5
U1  - 503 21st
PY  - 1974///
CY  - Bristol
PB  - Purnell Books
KW  - Science-Encyclopedias
ER  -