TY  - BOOK
AU  - Choudhary ,S
TI  - Indian journal of pure and applied physics (2019)
SN  -  00195596
U1  -  530.05 21
PY  - 2019///
CY  - New Delhi
PB  - NISCAIR
KW  - PHYSICS-PERIODICALS
N1  -  BJ5199-vol.57n.o.1-5
ER  -