TY  - BOOK
AU  - Hessenbruch, A .,ed.
TI  - Encyclopaedia of the history of science: a reader's guide;vol. 1 A-M
SN  - 81-86830-42-1
PY  - 2002///
CY  - New Delhi
PB  - Penatgon Press
KW  - Encyclopedia
KW  - Science history
ER  -