TY  - BOOK
AU  - Khandelwal, K. C.
AU  - Mahdi, S. S. 
TI  - Biogas technology : : a practical handbook, volume I 
SN  - 0074517236
U1  - 662.88  
PY  - 1993///
CY  - New Delhi
PB  - Tata McGraw Hill
KW  - Biogas
KW  - Technology
N1  - Includes bibliographical references
ER  -