000 00290 a2200121 4500
020 _ao854031405
041 _aEng
082 _bPEN
245 _aPenicillin fifty years after fleming
260 _c1980
_aLondon
_bThe Royal Society
_g1980
300 _bill.
_c30cm
_aviii,(191)p. p.
942 _cLN
999 _c553
_d553