000
00254nam a2200109Ia 4500
001
21317
008
170722s9999 xx 000 0 und d
100
_a
Leddy, Edmunad J. Roach, Don
245
_a
Introductory chemistry /
260
_c
1970.
942
_c
GEN
999
_c
85334
_d
85334