- TitlePlane geometry, by A.M. Welchons and W.R. Krichenberger.
- AuthorA. M. Welchons, 1894-1952A. M. Welchons, 1894-1952,
- Description550 p. :
- Call NumberQA455 .W4 1949
- SubjectsGeometry, Plane.
- PublishingMassachusetts--Boston: Ginn, 1949.
- MaterialBook
