TY  - BOOK
AU  - Sing Y.K.
AU  - Y.K. Singh, M. H. Siddiqui
TI  - Encyclopaedia of teaching (St of 11 Volumes:): Teching of Chemistry (volume IX)
SN  - 9.4788131316e+013
U1  - 31 23
PY  - 2012///
CY  - New Delhi
PB  - APH Publshing corporation
ER  -