000
00272 a2200121 4500
008
151002tJan.-Mar 1975
245
_a
Mutation Research
250
_a
Vol. 27
260
_a
U.S.A.
260
_b
Elsevier Scientific Publishing Company
260
_c
Jan.-Mar 1975
942
_c
BV
999
_c
4088
_d
4088