My list of references is growing with each project. Please feel free to contact any or all of those listed below:

Dr. Donald Campbell: e-mail Don Campbell

David Dobson, president, Cement Chemist Society: e-mail David Dobson

Matt Hansen, Buzzi Unicem USA, Maryneal, Texas plant: e-mail Matt Hansen

Brandon Bankhead, Buzzi Unicem USA, Maryneal, Texas plant: e-mail Brandon Bankhead

Fausto Navarro, UNACEM EC, Otavalo, Ecuador plant: e-mail Fausto Navarro

Raquel Almache, UNACEM EC, Otavalo, Ecuador plant: e-mail Raquel Almache

Christopher Dallstream, Ash Grove Cement, Durkee, Oregon plant: e-mail Christopher Dallstream

Juan Tabares, Argos: e-mail Juan Tabares