Gray, N.F. Water technology an introduction for environmental scientists and engineers - Second edition - Oxford Elsevier 2005 - 645 p ISBN: 9780750666336 Subjects--Topical Terms: Civil Engineering LC Class. No.: 628.1 GRA 2005 Dewey Class. No.: 628.1 GRA 2005 National Library of Medicine Call No.: 628.1 GRA 2005