por Pumpian-Mindlin, Eugene, 1908-1976 [editor] | Hilgard, Ernest Ropiequet, 1904- [autor] | Kubie, Lawrence Schle Singen, 1896 [autor] | California Inst. Technology Pasadena Hixon Fund.
por Hilgard, Ernest Ropiequet, 1904- [autor].