TY - BOOK AU - N.P. Nema TI - Principles of seed certification and testing SN - 81-7023-075-6 U1 - 631.521 PY - 1986/// CY - New Delhi PB - Allied Publishers Pvt Limited N1 - N.P. Nema: Principles of seed certification and testing. New Delhi. Allied Publishers Pvt Limited, 1986. 81-7023-075-6--(631.521NEM) ER -