TY  - BOOK
AU  - Sadhu Ashok K Ed.
AU  -  Verma Promod K Ed.
TI  - Energy :  The alernative resoruces   A bibligraphy  
U1  - X9(F555)a1,N7, L8 
PY  - 1978///
CY  -  New Delhi 
PB  - Sagar publication India       
KW  - Petroleum Industry
ER  -