P. Viohl

The Vulcanization of Butyl Rubber with Phenol Formaldehyde Derivatives

J. R. Little, P. O. Tawney, P. Viohl, 1960 .

Structural Investigations upon a Substituted Dipyrrylmethane. An Unusual Melting Point-Symmetry Relationship1,2

A. H. Corwin, W. Bailey, P. Viohl, 1942 .