Singh, B.P. Plant genetic resources in Indian perspective: theory and practices/ B.P. Singh and Umesh Srivastava - New Delhi: Directorate of Information and Publications of Agriculture, Indian Council of Agricultural Research, c2004. - xvi, 715 p. ISBN: 8171640176 Subjects--Topical Terms: Agricultural productivity--Food crops--Germplasm resourcesGermplasm resources, Plant Dewey Class. No.: 581.35 / SIN/P