00358cam a2200169   450000500170000024500240001702000150004110000300005604400160008625000080010204100080011030000160011850000050013483000050013926000260014408200180017020260711133927.0  aRiesgos urbanos 2b  a9992381787  aLungo, Mario (Compilador)  aEl Salvador  a1ª  aspa  a99 p. 23 cm  a  v  aSan Salvador bc2005  a307.76bL963r