000 00389nam a2200157 i 4500
008 181218s1986 sp g spa
020 _a8420602086
080 1 _a5
100 _aASIMOV, Isaac
245 0 _aOpus 200
_c/ Isaac Asimov
260 _aMadrid
_b:Alianza
_c,1986
300 _a359 p.
_c;18cm
500 _aIndice
997 _e2