M. Michels

Egg-yolk trypticase soy agar for the enumeration of heat-damaged spores of Clostridium sporogenes.

M. Michels, R. F. Kagei, 1983, The Journal of applied bacteriology.

Occurrence and thermoresistance of spores of psychrophilic and psychrotrophic aerobic sporeformers in soil and foods.

F. Visser, M. Michels, 1976, The Journal of applied bacteriology.