00512     2200181   4500001002100000035002000021245008600041100004000127260005500167300002400222084001100246082001100257650001700268650001000285650001700295990000900312990000900321INLIS000000000003215  a0010-0121001581  aTwo approaches for estimating the on-site costs of soil erosion in the Philippine  aRoberto F. Ranola and Canesio Predo  aCanberrabThe Australian National Universityc1997  a2-23 p.cill; 30 cm  a631.45  a631.45  aSOIL EROSION  aCOSTS  aPHILIPPINES.  a4456  a4456