1. Group theoretical concepts and methods in elementary particles;Michel,1964
2. Space Inversion, Time Reversal, and Other Discrete Symmetries in Local Field Theories
3. B. Zumino and D. Zwanziger, to be published.
4. PCT, spin and statistics and all that;Streater,1964
5. P. Carruthers, J. Math. Phys., to be published. The case of spin 0 is worked out in detail in this paper.