1. Thesis Wayne ( State ) University Detroit vV Hellerand Stromberg Grant and Research Natl Bur Standards A Patat Killmann and Schliebener Fortschr Hochpolyn Forsch Stromberg and A odem Plastics ( Part I ) April ( Part li ) May Frisch and Simha Frisch and;Tanaka;Phys Rev Chem Phys,1951