TY  - BOOK
AU  - à¤¸à¤¾à¤²à¤µà¥, à¤¦à¤¿à¤²à¥à¤ª à¤à¤®. 
TI  - 1000 à¤à¤à¥à¤² à¤µà¤¿à¤à¥à¤à¤¾à¤¨à¤ à¤ªà¥à¤°à¤¶à¤¨à¥à¤¤à¥à¤¤à¤°à¥
SN  - 8177210017
U1  - 520 
PY  - 1999///
CY  - à¤¦à¤¿à¤²à¥à¤²à¥ 
PB  - à¤¸à¤¾à¤¹à¤¿à¤¤à¥à¤¯ à¤ªà¥à¤°à¤à¤¾à¤¶à¤¨ 
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KW  - à¤ªà¥à¤°à¤¶à¤¨à¥à¤¤à¥à¤¤à¤°à¥
KW  - Astronomy
KW  - Questions answer, exercise etc
ER  -