000
00299 a2200133 4500
080
_a
576.858(063)
_b
B 615
245
1
_a
Viruses
_b
Proceedings
260
_a
Corvallis
_c
1950
650
_a
Biology Colloquium
650
_a
Viruses
100
_a
_d
300
_a
52 p. & 1 frontispiece
901
_a
42620
999
_c
31511
_d
31511