TY  - BOOK
AU  - Kostionk,Velery
AU  - Rao,Digumarti Bhaskara
TI  - A Text Book of Cryogenics / 
SN  - 817141642X
U1  - 621.56/KOS 
PY  - 2003///
CY  - new delhi
PB  - discovery publishing house
KW  - PHYSICS
KW  - ENGINEERING
ER  -