000
00310nam a2200133Ia 4500
008
210901s1968 xx 000 0 eng d
082
_a
540 OMA
100
_a
Omalley,R.F
245
0
_a
Problems in chemistry
260
_a
London
_b
Mac graw Hill
_c
1968
300
_a
288
650
_a
Chemistry
942
_2
ddc
_c
BK
999
_c
4994
_d
4994