000 00347nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a574.8732
_bBLO
100 _aBlocker, H.
245 _aChemical synthesis in molecular biology : bioogical macro-molecules with natural and modified monomer units
260 _bVCH Publishers
_aNew York
_c1987
999 _c133213
_d133213