000 00356nam a2200133 i 4500
008 991231s1986 sp g spa
100 _aASIMOV, ISAAC
245 0 _aEL UNIVERSO
_c/ ASIMOV, ISAAC
260 _b:ALIANZA
_c,1986
650 _aFISICA E QUIMICA
700 _aASIMOV ISAAC
997 _dFalta ISBN
_e1