TY - GEN TI - Virology in agriculture : invited papers presented at a symposium held Mat 10 - 12, 1976 at the Belsville agricultural research center (BARC), Beltsville, Maryland T2 - 1 SN - 0-85626-137-8 U1 - 632.8 VIR CY - Kent, ABACUs press KW - Parasites - domestic animals - congress/ virus diseases - plants - congress ER -