George Kettner Bennett, Harold Gustav Seashore & Alexander Gregory Wesman.
Mechanical reasoning. Form X-E.
R596059. Mechanical reasoning. Form X-E. By George Kettner Bennett, Harold Gustav Seashore & Alexander Gregory Wesman. © 31Dec47; AA74063. George K. Bennett (A), Ruby I. Seashore & Elizabeth C. Wesman (W); 22Jan75; R596059.
George K. Bennett|A||Ruby I. Seashore & Elizabeth C. Wesman|W