R. Langlais

Identification and quantitation of trace amounts of barbiturates with glass capillary gas chromatography

W. Dünges, R. Langlais, R. Schlenkermann, 1979 .

Simultaneous three-dimensional gas-liquid chromatography on wall-coated glass-capillary columns

W. Halang, E. Kugler, R. Langlais, 1977 .

Cubic spline interpolation for the calculation of retention indices in temperature-programmed gas-liquid chromatography

Wolfgang A. Halang, W. Halang, Rolph. Langlais, 1978 .

Improving the reproducibility of quantitative gas-liquid chromatography by modifying the injection system

R. Langlais, R. Schlenkermann, M. Weinberg, 1976 .

Temperature programmed analysis of essential oils using glass capillary columns

W. Halang, M. Hufschmidt, E. Kugler, 1975 .