TY - BOOK AU - Mahendra Pal TI - Proceedongs of the national symposium on cropping systems U1 - 631.58206 PY - 1986/// CY - New Delhi PB - Indian Concil Of Agricultural Research N1 - Mahendra Pal: Proceedongs of the national symposium on cropping systems. New Delhi. Indian Concil Of Agricultural Research, 1986.--(631.58206PAL) ER -