TY  - BOOK
AU  - Bernal, John Desmond
TI  - Science in history
U1  - 50 
PY  - 1965///
CY  - London
PB  - C. A. Watts and Company Limited
KW  - General Science
KW  - General works -- Encyclopedias
N1  - D3474 / 20.06.1969; Occupational Medicine; Public Health; Industrial Disease
ER  -