Th. Kramer

Chlorine container experiment

T. Dokter, J. P. Brunink, H. Eggelte, 1985 .

Bottlenecks and solutions with groundwater sampling in deep montoring wells also based on techniques which are applied in the oil industry in a routine-like fashion

P.W.M. van Mullekom, B. Keet, D. Corpel, 1999 .

Environmental and genetic variation for protein content in winter wheat (Triticum aestivum L.)

Th. Kramer, T. Kramer, 1979, Euphytica.