TY - GEN AU - Malicki,K AU - Toka,F N TI - Present status of classification of viruses of vertebrates SN - 0004-069X PY - 1997///0512 KW - Animals KW - Vertebrates KW - virology KW - Virology KW - trends KW - Viruses KW - classification N1 - Publication Type: Journal Article; Review ER -