Health Informatics Research MethodsWatzlaf, Valerie J., Forrestal, Elizabeth J. · First published 2017Open the Tome
Health Informatics Research MethodsElizabeth Layman, Valerie Watzlaf · First published 2010Open the Tome
Health Informatics Research MethodsValerie J. Watzlaf Elizabeth J. Layman · First published 2009Open the Tome
A method for predicting the alkalinity generated by anoxic limestone drainageG. R Watzlaf · First published 1993Open the Tome
The solubility of iron and manganese in mine drainage treatment sludgeG. R Watzlaf · First published 1990Open the Tome
Comparative tests to remove manganese from acid mine drainageG. R Watzlaf · First published 1985Open the Tome