000
00263nam a2200121Ia 4500
001
29800
008
220811s1981 ###||||g |||| ||spa d
082
_a
621.85
_b
S474P
245
0
_a
Poleas
264
_c
1981
942
_c
BK
_2
ddc
035
_a
621.85 -S474P-Poleas-
999
_c
62453
_d
62453