00370cam a22001097a 4500008004000000082001200040100001900052245010700071260004500178300000900223650002800232180718b1997   xxu||||| |||| 00| 0 eng d  aO91 In8  aWightman, Eric  aInternational conference on habitat and substainable development: proceedings vol.iicby Eric Wightman  aCalcuttabInstitution of Engineersc1997  av.p.  aSustainable development