A.N. Mathur Bio-energy for arid and semi-arid zones - Udaipur Himanshu Publications 1987 - 100p A.N. Mathur: Bio-energy for arid and semi-arid zones. Udaipur. Himanshu Publications, 1987. 8-85167-04-4--(662.65MAT) ENGLISH ISBN: 8-85167-04-4 Dewey Class. No.: 662.65 / MAT