TY  - BOOK
AU  - Kailash Chandra Bhatia
AU  - à¤à¥à¤²à¤¾à¤¶ à¤à¤¨à¥à¤¦à¥à¤° à¤­à¤¾à¤à¤¿à¤¯à¤¾ 
TI  - à¤ªà¥à¤°à¤¶à¤¾à¤¸à¤¨ à¤®à¥à¤ à¤°à¤¾à¤à¤­à¤¾à¤·à¤¾ à¤¹à¤¿à¤¨à¥à¤¦à¥
U1  - 491.43 
PY  - 1991///
CY  - New Delhi
PB  - Thakshila prakashan
KW  - à¤¹à¤¿à¤¨à¥à¤¦à¥ à¤­à¤¾à¤·à¤¾
ER  -