TY  - BOOK
TI  - à¤à¤à¤¾à¤¶à¤µà¤¾à¤£à¥ à¤ªà¥à¤°à¤¸à¤¾à¤°à¤¿à¤à¤¾
U1  - 049.9146 
PY  - 1957///
CY  - à¤¦à¤¿à¤²à¥à¤²à¥
PB  - à¤ªà¤¬à¥à¤²à¤¿à¤à¥à¤¶à¤¨à¥à¤¸ à¤¡à¤¿à¤µà¥à¤¹à¤¿à¤à¤¨
ER  -