000 00447n a2200169ua 4500
020 _a471 86197 9
040 _aIIT, Kanpur
082 _a551.4
_bT393p2
100 _aThornbuy, William D.
245 0 _aPrinciples of geomorphology
_cWilliam D. Thornbuy
250 _a2nd
260 _aNew York
_bJohn Wiley
_c1969
300 _axi, 594p.
500 _aIncludes Index
650 _aGeomorphology
997 _aA86 C
999 _c457411
_d457411