000 00318nam a2200121Ia 4500
008 190428s9999||||xx |||||||||||||| ||und||
020 _a0-471-86190-1
100 _aThornbury, W.D.
_915409
245 _aPrinciples of geomorphology
250 _aSecond
250 _b1969. xi-594
260 _bJohn Wiley. New York, U.S.A.
999 _c15281
_d15281