Shorter technical methods M. P. Mosley ... [et al.] - [London] British Geomorphological Research Group [c1975- - v. ill. 21 cm. - Technical bulletin / British Geomorphological Research Group no. 17 . - British Geomorphological Research Group . Cover title Subjects--Topical Terms: Geomorphology--Technique Dewey Class. No.: 551.4 / 028