|aThe principle of relativity :|ba collection of original memoirs on the special and general theory of relativity /|cby H. A. Lorentz ... [et al.] ; with notes by A. Sommerfeld ; translated by W. Perrett and G. B. Jeffery.
|aNew York :|bDover Publications,|c
|aviii, 216 p. :|b7 diagrs. ;|c20 cm.
|a"The translations have been made from the text, as published in a German collection, under the title "Des [!] relati