K. Drake

Petrologic, paleomagnetic, and structural evidence of a Paleozoic rift system in Oklahoma, New Mexico, Colorado, and Utah

E. E. Larson, G. Curtis, F. Mutschler, 1985 .

Fluoride intake from foods, beverages and dentifrice by young children in communities with negligibly and optimally fluoridated water: a pilot study.

G. Eckert, G. Stookey, A. Dunipace, 1998, Community dentistry and oral epidemiology.