J.S. Bal Ber varieties - New Delhi Associated Publishing Company 1992 - 90p J.S. Bal & D.K. Uppal: Ber varieties. New Delhi. Associated Publishing Company, 1992. 81-85211-25-6--(634.7BAL) ENGLISH ISBN: 81-85211-25-6 Dewey Class. No.: 634.7 / BAL