000 00309nam a2200121Ia 4500
001 7070
008 150525s9999 xx 000 0 und d
020 _a0 340 16414 X
100 _aPowellct H
245 _aChemistry: Exercises In Comprehension
250 _a2
260 _aNew York
_bThe English Uni Press
_c1972
999 _c38666
_d38666