TY  - BOOK
AU  - Singh, N M
TI  - UGC-CSIR: Jrf/Net physical sciences
U1  - 001.076 SIN.D-U0 22
PY  - 2009///
CY  - 
PB  - Danika Publishing Company, New Delhi
KW  - Competitive exams study materials; Study and teaching
ER  -