TY - BOOK AU - Sparks,B.W. ED - Longmans TI - Geomorphology T2 - Geographies for advanced study SN - 0582481473 U1 - 551.4 23 PY - 1969/// CY - London PB - Longmans KW - Geomorphology N1 - Bibliography: p. 488-507 ER -