1. A. A. Michelson:Amer. Journ. Sci.,22, 20 (1881);A. A. Michelson andE. W. Morley:Amer. Journ. Sci.,34, 333 (1887).
2. A. Einstein:Ann. d. Phys.,17, 549 (1905).
3. For a general review:E. Whittaker:A History of the Theories of Aether and Electricity (New York, 1960);W. Pauli:Teoria della relatività (Torino, 1958).
4. H. A. Lorentz:The Theory of Electrons (Leipzig, 1916).
5. L. H. Enloe andJ. L. Rodda:Proc. of the IEEE,53, 165 (1965).