00527nam a22001217a 4500008004100000020001800041040005500059080002500114245018400139260005700323300000900380650001600389230622b        |||||||| |||| 00| 0 eng d  a0-901948-65-9  aNational Science LibrarycNational Science Library  a627.11:65(082.2)bL3  aManagement of national and regional water resourcesc/ Proceedings of the conference sponsored by the....................................Chemical industry 3-4 October, 1972 London  aLondon: bThe Institution of Civil Engineers, c1973  a98p.  aProceedings