na INLIS000000000056536 20221015012724 0010-1022000362 ta 221015 g 0 eng 68-8323 551.4 551.4 THO p THORNBURY, Wlliam D. Principles of geomorphology second edition / William D. Thornbury Ed. 2 [New York, Chichester, Brisbane, Toronto, Singapore] : John Wiley & Sons, 1969 xi, 594 p. : ill. ; 23 cm. GEOMORPHOLOGY TOPOGRAPHY inc. bibl. index: p. 577-594 1973/83