2
by Porter, Roger S.
Published 1974
Springer US

4
by Porter, Roger S.
Published 1977
Springer US

5
by Porter, Roger Stephen
Published 1967
American Chemical Society

6
by Porter, Roger J.
Published 2013
Henry Stewart Talks

7
by Porter, Roger J.
Published 1990
Springer US

8
by Johnson, Julian F.
Published 1974
Springer US
Other Authors: '; ...Porter, Roger S....

9
Published 1970
Springer US
Other Authors: '; ...Porter, Roger S....