000 00284nam a2200121Ia 4500
008 190216s9999||||xx |||||||||||||| ||und||
100 _aThomas. A.O
245 0 _aModern Chemistry
260 _bScientific Book Co
_c1999
300 _a448p
650 _aChemistry-Chemistry
942 _cBK
999 _c2600
_d2600