1. Limits of the natural environment in terms of pH and oxidation-reduction potentials.;Baas Becking;J. Geol.,1960
2. The removal of soluble silica from fresh water entering the sea.;Bien;Silica in Sediments—Soc. Econ. Paleontologists Mineralogists, Spec. Publ.,1959
3. Petrography and origin of Illinois nodular cherts.;Biggs;Illinois State Geol. Surv., Circ.,1957
4. Silica in sediments of the Upper Paleozoic of the Cordilleran Area.;Bissell;Silica in Sediments—Soc. Econ. Paleontologists Mineralogists, Spec. Publ.,1959
5. Microscopic Sedimentary Petrography.;Carozzi,1960