00300nam a2200097Ia 4500008004100000082002400041100001500065245005700080260004900137300001600186260813b        |||||||| |||| 00| 0 eng d  a309.262871bL481.RW  aLee, T. R.  aResidential water demand and economic developmentb/  aToronto:bUniversity of Toronto Press,c1969  axiii, 150p.