NELSON, ALFRED L.
Plane and spherical trigonometry, by Alfred L. Nelson & Karl W. Folley. Mathematical tables by N. J. Lennes, A. S. Merrill & Murlan S. Corrington. Rev. ed.
NELSON, ALFRED L. Plane and spherical trigonometry, by Alfred L. Nelson & Karl W. Folley. Mathematical tables by N. J. Lennes, A. S. Merrill & Murlan S. Corrington. Rev. ed. © 29Jul43; A175486. Karl W. Folley & Murlan S. Corrington (A); 27Jul71; R509768.
Karl W. Folley & Murlan S. Corrington|A