TY  - GEN
AU  - à¤¶à¤°à¥à¤®à¤¾, à¤µà¤¿à¤¶à¥à¤µà¤®à¤¿à¤¤à¥à¤°
TI  - à¤¸à¤à¤¿à¤¤à¥à¤° à¤¨à¤µà¥à¤¨ à¤µà¤¿à¤à¥à¤à¤¾à¤¨ à¤µà¤¿à¤¶à¥à¤µà¤à¥à¤¶à¤: à¤¬à¥à¤°à¤¹à¥à¤®à¤¾à¤£à¥à¤¡-à¤ªà¥à¤¥à¥à¤µà¥-à¤®à¤¹à¤¾à¤¦à¥à¤µà¥à¤ª 
SN  - 8170432820
U1  - 503 
PY  - 2009///
CY  -  à¤¦à¤¿à¤²à¥à¤²à¥
PB  - à¤à¤¤à¥à¤®à¤¾à¤°à¤¾à¤® à¤à¤£à¥à¤¡ à¤¸à¤à¤¸  
KW  - Science
KW  - Encyclopedias, Juvenile
KW  - à¤µà¤¿à¤à¥à¤à¤¾à¤¨
KW  - à¤µà¤¿à¤¶à¥à¤µà¤à¥à¤¶, à¤¬à¤¾à¤²
ER  -