00558nam a2200193 a 450000500170000002000150001708200170003210000210004924500780007025000110014826000310015930000200019069000210021070000230023196400190025499700120027399900170028595200620030220251203092009.0  a0471595497  a550,bD, ski  aSkinner, Brian J  aDynamic earth: an introduction to physical geology, Brian J. Skinner, eng  a3rd ed  aNew York, John Wileyc1995  axxv,567p.c22cm  aPhysical geology  aPorter, Stephen C.  bEngcdefg_  a82647 W  c60255d60255  02104070aPUbPUd1998-07-16l0o550, D, skip82647yBK