000 00253nam a2200109Ia 4500
008 230320s9999||||xx |||||||||||||| ||spa||
082 _aR/505/S18/74
100 _aHecht, J. ; Teresi, D.
245 0 _aEl Rayo Laser
260 _bSalvat
942 _874
_cLIB
999 _c23428
_d23428