Vol. 1: 2. Aufl.; v. 2: 2. durchgesehene Aufl.; v. 3: 2. Aufl.; v. 5: 2., rev. Aufl.; v. 6, pt. 1: 2. Aufl. Vol. 2 edited by Günter Häntzschel; v. 3 edited by Karl Pörnbacher.
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