TY - BOOK AU - Foster,Ian D.L. ED - British Geomorphological Research Group. TI - Tracers in gemorphology T2 - British Geomorphological Research Group symposia series SN - 0-471-89602-0 AV - GB400.42T73 T73 U1 - 551.41/028 21 PY - 2000/// CY - Chichester PB - J. Wiley KW - Trazadores geomorfológicos ER -