00334nam a2200121Ia 450000500170000000800410001704100080005808200130006610000210007924500500010026000530015030000090020320260720174742.0260720s1984    xx            000 0 und d  aeng  a500 HENC  aKenneth L Henold  aChemistry principles properties and reactions  aLondonbAddision wesley Publishing Companyc1984  a730p