Chopra, V. L. Evolution and adaptation of cereal crops /ed. by V. L. Chopra and Shyam Prakash - Enfield, New Pampshire : Science publishers, 2002. - 290 p. ISBN: 1578081904 LCCN: 89856 Subjects--Topical Terms: Cereales--Análisis.Cereales--Investigación. Dewey Class. No.: 633.1 / C47