R. W. Frei

发表

R. W. Frei, James Daniel MacNeil, J. Macneil, 2017 .

R. W. Frei, J. Albaigés, E. Merian, 1986 .

R. W. Frei, H. Zeitlin, Roland W. Frei, 1971 .

R. W. Frei, J. Macneil, B. L. Maclellan, 1974, Journal - Association of Official Analytical Chemists.

R. W. Frei, J. Birks, 1982 .

R. W. Frei, U. Brinkman, C. de Ruiter, 1988, Journal of chromatography.

R. W. Frei, J. van der Louw, U. Brinkman, 1985, Journal of pharmaceutical and biomedical analysis.

R. W. Frei, W. Niessen, U. Brinkman, 1981, Journal of chromatography.

R. W. Frei, N. H. Velthorst, C. Gooijer, 1987, Journal of pharmaceutical and biomedical analysis.

R. W. Frei, N. H. Velthorst, C. Gooijer, 1987, Journal of pharmaceutical and biomedical analysis.

R. W. Frei, N. H. Velthorst, C. Gooijer, 1989 .

R. W. Frei, J. F. Lawrence, 1981 .

R. A. Zeeuw, G. J. Jong, M. J. M. Zeeland, 2005, Pharmaceutisch Weekblad.

R. W. Frei, V. Mikeťuková, M. McKinnon, 1970 .

R. W. Frei, J. F. Lawrence, 1972, International journal of environmental analytical chemistry.

R. W. Frei, J. Macneil, 1975, Journal of chromatographic science.

R. W. Frei, M. Frei-Häusler, 1973, Journal of chromatography.

R. W. Frei, O. Hutzinger, J. Macneil, 1972, Analytical biochemistry.

R. W. Frei, V. Lieu, M. M. Frodyma, 1965, Journal of chromatography.

R. W. Frei, D. J. Williams, M. M. Frodyma, 1964, Journal of chromatography.

R. W. Frei, N. H. Velthorst, C. Gooijer, 1989, Journal of bioluminescence and chemiluminescence.

R. W. Frei, J. F. Lawrence, 1976 .

R. W. Frei, J. F. Lawrence, 1974, Journal of chromatography.

R. W. Frei, R. Heacock, J. Macneil, 1973, Journal of chromatography.

R. W. Frei, C. Schlatter, E. Merian, 1985 .

R. W. Frei, N. H. Velthorst, C. Gooijer, 1981, Talanta.

R. W. Frei, M. Nielen, U. Brinkman, 1984 .

R. W. Frei, U. Brinkman, U A Brinkman, 1983, Journal of chromatography.

R. W. Frei, M. Nielen, U. Brinkman, 1986, International journal of environmental analytical chemistry.

G. J. Jong, R. W. Frei, U. Brinkman, 1987 .

R. W. Frei, M. Nielen, U. Brinkman, 1987, Journal of chromatography.

R. W. Frei, H. Spitzy, R. Aigner, 1976, Journal of chromatographic science.

R. W. Frei, R. Vivilecchia, M. Thiebaud, 1972, Journal of chromatographic science.

R. W. Frei, M. M. Frodyma, 1965, Journal of chromatography.

R. W. Frei, U. Brinkman, J. H. Wolf, 1986, Journal of pharmaceutical and biomedical analysis.

R. W. Frei, J. F. Lawrence, I. L. Honigberg, 1979 .

H. A. Das, R. W. Frei, U. Brinkman, 1986 .

R. W. Frei, A. Scholten, 1979 .

R. W. Frei, U. Brinkman, E. G. van der Velde, 1986, Journal of chromatography.

R. W. Frei, J. F. Lawrence, R. Cassidy, 1974, Journal of chromatographic science.

R. W. Frei, V. Mallet, 1971, International journal of environmental analytical chemistry.

R. W. Frei, H. Zeitlin, M. McCarter, 1965 .

R. W. Frei, M. Frei-Häusler, 1973, Journal of chromatography.

R. W. Frei, O. Hutzinger, R. Heacock, 1969 .

R. W. Frei, U. Brinkman, G. Groenendijk, 1984, Journal of chromatography.

R. W. Frei, U. Brinkman, W. Kok, 1983, Journal of pharmaceutical and biomedical analysis.

R. W. Frei, W. Lindner, W. Santi, 1975, Journal of chromatography.

R. W. Frei, V. Mallet, P. Belliveau, 1970, Journal of chromatography.

R. W. Frei, 1976, Journal of research of the National Bureau of Standards. Section A, Physics and chemistry.

R. W. Frei, C. Pothier, V. Mallet, 1971, Journal of Chromatography A.

R. W. Frei, W. Santi, J. Huen, 1975, Journal of chromatography.

R. W. Frei, H. Bethke, 1974, Journal of chromatography.

R. W. Frei, J. Albaigés, J. Tarradellas, 1988 .