Wilner, Burton Irwin. A classification of the major groups of human and other animal viruses / Burton Irwin Wilner. - 4th ed. - Minneapolis : Burgess, c 1969. - vii, 250 p. : ill. ; 27 cm. 340 340 Subjects--Topical Terms: Viruses--Classification. Dewey Class. No.: 616.92 / W689c