00322nam a2200133Ia 450000500170000000800410001708200120005810000140007024500310008426000420011530000080015794200080016599900150017320260225050926.0260224s9999||||xx |||||||||||||| ||und||  a541 BLO  aH. Block  0aModern physical chemistry   aLondon: Butterworth Scientific c1973  a311  cBBS  c9877d9877