000
00247nam a2200121 a 4500
003
EIA
001
961
942
_0
2
_2
ddc
_c
BK
245
_a
Quimica general
260
_c
1968
008
141112s1968 ck r 000 u spa d
082
_a
540
_b
S631q
999
_c
11824
_d
11824