000 00287nam a2200121Ia 4500
008 200906s9999 xx 000 0 und d
082 _a551.4 T497
100 _aTHORNBUY.W.D
245 0 _aPRINCIPLES OF GEOMORPHOLOGY
260 _bWILEY, NEW YORK
_c1954
300 _a22X15
942 _cBK
999 _c62039
_d62039