Gaur, A.C. Biofertilizers in sustainable agriculture/ Gaur, A.C. - New Delhi: ICAR, 2006. - 288 p. ISBN: 8171640605 Subjects--Topical Terms: Biofertilizers -- India. Sustainable agriculture -- India. Biofertilizers. Dewey Class. No.: 631.8 / GAU/B