1. North American tektites;Barnes;University of Texas Publication 3945,1940
2. Properties of tektites pertinent to their origin;Barnes;Geochim. et Cosmochim. Acta,1958
3. Tektites in Georgia;Barnes;GeoTimes,1959
4. The relation of tektites to archaeology;Beyer,1955
5. The abundances of the chemical elements in meteorites and tektites;Buddhue;Popular Astron.,1946