Calcium carbonate dissolution rate in limestone contactorsRaymond D Letterman · First published 1995Open the Tome
Control of residual aluminum in filtered waterRaymond D. Letterman · First published 1994Open the Tome
Filtration strategies to meet the surface water treatment ruleRaymond D. Letterman · First published 1991Open the Tome
A study of the treatment of Lake Michigan water using direct filtrationRaymond D. Letterman · First published 1975Open the Tome