Two approaches for estimating the on-site costs of soil erosion in the Philippine text Canberra The Australian National University 1997 2-23 p. ill; 30 cm SOIL EROSION COSTS PHILIPPINES 631.45 631.45 INLIS000000000003215 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)