שנה
1976
1976
Abhandlungen der Geistes- und Sozialwissenschaftlichen Klasse
Mombaer, Jan, d. 1503. Rosetum exercitiorum spiritualium et sacrarum meditationum
Meditation, including yoga exercises, autosuggestion, Silva method, self-hypnosis, rebirthing, as a means of personal improvement, relaxation.