TY - BOOK AU - Basu,A.N . AU - Giri,B.K . TI - The essentials of viruses,vectors and plant diseases / SN - 8122404316 U1 - 579.2 PY - 1993/// CY - New Delhi : PB - Wiley Eastern , KW - BIOLOGY-DISEASE-PLANT N1 - Includ index ER -