CONTRIBUTORS
ROBERT J . B E N Z I N G T . S . E L L E M A N P . G . FORRESTER
A . M . HALL ERLE I. S H O B E R T II
C . W . T O W N L E Y
M O D E R N M A T E R I A L S : ADVANCES IN DEVELOPMENT AND APPLICATIONS is published in cooperation with the American Society for Testing and Materials and the Administrative Committee on Research.