000
00274 a2200121 4500
008
151002tJan.-Mar. 1977
245
_a
Mutation Research
250
_a
Vol. 42
260
_a
U.S.A.
260
_b
Elsevier Scientific Publishing Company
260
_c
Jan.-Mar. 1977
942
_c
BV
999
_c
4092
_d
4092