00560nam a2200181Ia 4500008004100000040001900041041001200060082002500072100002600097245005400123250003300177260003100210300003800241504004900279650001200328651001800340850002000358131103s9999    xx            000 0 und d  aLoreto College  aEnglish  a551.4/THObLCBKB/101  aThornbury , William D  aPrinciples of geomorphologycWilliam D. Thornbury  aWilley international edition  aNewYorkbJohn Willeyc1954  aix , 618p.b ill. figuresc 20cm.  aIncludes bibliograpical references and index  aGeology  aGeomorphology  aLCBKB/551.4/THO