TY  - BOOK
AU  - GWYNNE PETER
TI  - ENERGY AND PHYSICS ( I W S 7 ) ( र्उऎ.र्कऎ.240/1)
U1  - 531.6 
PY  - 1994///
PB  - TIME LIFE
KW  - ENERGY AND PHYSICS ( I W S 7 ) ( र्उऎ.र्कऎ.240/1)
ER  -