TY  - BOOK
AU  - Hessenbruch, Arne, ed.
TI  - Encyclopaedia of the history of science; a reades's guide
SN  - 81-86830-42-1
U1  - 503 
PY  - 2002///
CY  - New Delhi
PB  - Penatgon
KW  - Science- Encyclopedia
N1  - Contents.V.2:includes index; Bookland
ER  -