TY  - BOOK
AU  - J.D Bernal
TI  - Science in History 
U1  - 509 
PY  - 1969///
CY  - Middlesex
PB  - Penguin Books Ltd
N1  - J.D Bernal: Science in History.  (2nd Ed)  Middlesex.  Penguin Books Ltd, 1969.--(509BER)
ER  -