by Frey, Paul R
Published in Journal of chemical education (01.01.1952)

by Frey, Paul R, Johnson, C. G. H
Published in Journal of chemical education (01.10.1951)

by Frey, Paul R, Gilbert, E. C
Published in Journal of the American Chemical Society (01.07.1937)

by Radtke, Paul H, Frey, Paul R
Year of Publication 01.12.1997

by Frey, Paul R., Wilgus, H.S.
Published in The Journal of nutrition (01.12.1949)

by Frey, P.R., Rouse, W.B., Garris, R.D.
Published in IEEE transactions on systems, man, and cybernetics (01.01.1992)

by Frey, Paul R., Jensen, Rue
Published in The Journal of nutrition (01.08.1946)

by Frey, Paul R., Jensen, Rue
Published in Science (American Association for the Advancement of Science) (21.03.1947)

by FREY, P R, WILGUS, H S
Published in The Journal of nutrition (01.12.1949)

by Frey, Paul R., Jensen, Rue, Connell, W.E.
Published in The Journal of nutrition (01.10.1947)