TY  - BOOK
AU  - NCERT
AU  - NCERT
TI  - Science and technology :  Textbook for class VIII    
SN  - 8174502610
AV  - 500 
U1  - 500 NCE 
PY  - 2005///
CY  - NCERT
PB  - New Delhi
KW  - General
ER  -