Agrawal, R.L. Identifying characteristics of crop verieties / [by] Rattan Lal Agrawal - 2nd ed. - New Delhi Oxford & IBH pub. 1996 - xii, 97 pages Includes references and index. ISBN: 8120410599 Subjects--Topical Terms: Crop varieties Crop varieties-Identification Dewey Class. No.: 631.57 / AGR