000			00580nam a22001457a 4500
008			230622b |||||||| |||| 00| 0 eng d
020			_a0-901948-65-9
040			_aNational Science Library _cNational Science Library
080			_a627.11:65(082.2) _bL3
245			_aManagement of national and regional water resources _c/ Proceedings of the conference sponsored by the....................................Chemical industry 3-4 October, 1972 London
260			_aLondon: _bThe Institution of Civil Engineers, _c1973
300			_a98p.
650			_aProceedings
942			_2udc _cPR
999			_c46379 _d46379