1. Plume rise;Briggs,1969
2. Brazos River bar, a study in the significance of grain-size parameters;Folk;J. Sediment. Petrol.,1957
3. Infrared surveys in Iceland — Preliminary report;Friedman,1969
4. Skylab 4 observations of Sakura-zima volcano eruption clouds (abstract);Friedman;Geol. Soc. Am. Abstracts with Programs,1974
5. Tephrachronological study on the growth history of a stratovolcano (abstract);Fukuyama,1973