TY - BOOK AU - SELBY, M.J. TI - THE SURFACE OF THE EARTH T2 - 0 SN - 0-304-93671-5 U1 - 525 PY - 1971/// CY - U.S.A. PB - CASSELL COMPANY LTD KW - CIENCIAS PURAS N1 - CLIMATOLOGY/GEOGRAPHY OF SOILS ER -