000 00321nam a2200133Ia 4500
008 160316s1973 xxu||||| |||| 00| 0 eng d
020 _a
100 _aA. Hellman
245 _aBiohazards In Biological Research
250 _a1st
260 _aNEW YORK
_bCOLD SPRING HARBOR LABORATORY
_c1973
300 _a369
700 _a
_a
999 _c1164
_d1164