TY - BOOK AU - Singh, Ram Autar TI - A Comparative Study of Different Isolates of Helminthosporium Sativum P.K & B. & H. Tetramera McKinney U1 - 571.93 PY - 1968/// CY - Sabour, Bhagalpur PB - RAU KW - Mycology KW - Plant Pathology ER -