000 00327nam a2200145Ia 4500
008 180613s9999||||xx |||||||||||||| ||und||
020 _a713126469
041 _aen
082 _a575.12
100 _aCLARK, Brian F.C.
245 4 _aThe genetic code
260 _aLondon
_bEdward arnold
_c1977
300 _a74p.
942 _cSR
999 _c82698
_d82698