TY  - BOOK
AU  - Tomar, Dr. Surekha
TI  - CSIR - UGC NET/JRF/SET : physical sciences
SN  - 8174825278
U1  - 371.26 TOM 
CY  - Agra
PB  - Upkar Prakashan
N1  - Includes bibliographical references
ER  -