TY  - BOOK
AU  - Hessenbruch, Arne
TI  - Encyclopaedia of the history of science: a reader's guide 
SN  - 8186830421
U1  - Av 
PY  - 2002///
CY  - New Delhi
PB  - Pentagon press
N1  - v.1. A-M - v.2. N-Z
ER  -