The connexion between Reichenbach's three-valued and v. Neumann's lattice-theoretical quantum logic Andreas Kamlah OriginalPaper Pages: 315 - 325
Some remarks on classical probability theory in quantum mechanics G. Gerlich OriginalPaper Pages: 335 - 338
Some comments on the concept of state in quantum mechanics Wilhelm Ochs OriginalPaper Pages: 339 - 356
Comment on the contribution by W. Ochs about the ignorance interpretation of states K. -E. Hellwig BriefCommunication Pages: 357 - 358
Quantum theory as a theory of interactions between macroscopic systems which can be described objectively G. Ludwig OriginalPaper Pages: 359 - 387
The structure of Stern-Gerlach experiments and Ludwig's approach to quantum theory Heinz-Jürgen Schmidt OriginalPaper Pages: 389 - 395
Piron's foundation of quantum mechanics (Comment on his paper) W. Balzer OriginalPaper Pages: 403 - 406
Piron's approach to the foundations of quantum mechanics Wilhelm K. EsslerGerhard Zoubek OriginalPaper Pages: 411 - 418