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Water Softening with Potassium Chloride: Process, Health, and Environmental Benefits
  • PDF
  • English
  • Year: 2009
  • Author: William Wist, Jay H. Lehr, Rod McEachern(auth.)
The Fluoride Wars: How a Modest Public Health Measure Became America's Longest-Running Political Melodrama
  • PDF
  • English
  • Year: 2009
  • Author: R. Allan Freeze, Jay H. Lehr(auth.)
Internet Policy and Economics: Challenges and Perspectives
  • PDF
  • English
  • Year: 2009
  • Author: William H. Lehr, Lorenzo Maria Pupillo (auth.), William H. Lehr, Lorenzo Maria Pupillo (eds.)
Microeconomía, Edición Estudiante
  • PDF
  • Spanish
  • Year: 2014
  • Author: William A. McEachern
ECON: MICRO4. Principles of Microeconomics
  • PDF
  • English
  • Year: 2014
  • Author: William A. McEachern
Groundwater age
  • PDF
  • English
  • Year: 2006
  • Author: Gholam A Kazemi; Jay H Lehr; Pierre Perrochet
Acid Mine Drainage, Rock Drainage, and Acid Sulfate Soils. Causes, Assessment, Prediction, Prevention, and Remediation
  • EPUB
  • English
  • Year: 2014
  • Author: James A. Jacobs,Jay H. Lehr,Stephen M. Testa
Alternative energy and shale gas encyclopedia
  • PDF
  • English
  • Year: 2016
  • Author: Keeley, Jack W.; Kingery, Thomas B.; Lehr, Jay H
Nuclear Energy Encyclopedia: Science, Technology, and Applications
  • PDF
  • English
  • Year: 2011
  • Author: Steven B. Krivit, Thomas B. Kingery, Jay H. Lehr
Water Encyclopedia, Volumes 1-5
  • PDF
  • English
  • Year: 2005
  • Author: Lehr, Jay; Keeley, Jack; Lehr, Janet (Eds.)
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