00492nam a22001817a 4500008004100000020001800041041001400059082002200073100002200095245004200117250000600159260002800165300002600193650001100219650002200230952004300252999001500295260519b        |||||||| |||| 00| 0 eng d  a968-24-4571-X  aEspañol  aR 574.5223 O584:5  aRaúl N. Ondarza  aEl Impacto del Hombre sobre la Tierra  a5  aMéxicobTrillasc2005  a167p.bilc24 x 18 cm  aTierra  aimpacto ambiental  aBIBLCUNORIbBIBLCUNORIyLIBRO FÍSIa  c1624d1624