TY  - BOOK
AU  - Nayyar, N.K.
TI  - Unique Quintessence of Physics: An  Integral Part of Preparation for Civil Services Preliminary Optional Paper ( For UPSE/ State Civil Services and Other Competitive Examination )
SN  - 8183571867
U1  - 530 
PY  - 2012///
CY  - New Delhi
PB  - Unique Publishers
ER  -