Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
Coolidge, Julian Lowell, 1873-1954 The Elements of non-Euclidean Geometry by Julian Lowell, 1873-1954 Coolidge - Project Gutenberg, 2008 Project Gutenberg * Geometry, Non-Euclidean