Biogas; what it is, how it is made, how to use it.

Bibliographic Details
Corporate Author: Food and Agriculture Organization of the United Nations
Format: Book
Language:English
Published: Rome : Food and Agriculture Organization of the United Nations, 1984.
Series:FAO economic and social development series ; no. 3/31.
Better farming series ; 31.
Subjects:
Description
Physical Description:52 pages : illustrations ; 21 cm.
ISBN:9251012903 (pbk.)