Essential mathematics /
Lankford, Francis G.
Essential mathematics / Francis G. Lankford , James F. Ulrich, John R. Clark - New York ; Harcourt, Brace and World, Inc. , c1961. - viii, 536 p. : ill. (some col.) ;
Includes index
Mathematics - essential--Mathematics
QA141.15 / .L36 1961
Essential mathematics / Francis G. Lankford , James F. Ulrich, John R. Clark - New York ; Harcourt, Brace and World, Inc. , c1961. - viii, 536 p. : ill. (some col.) ;
Includes index
Mathematics - essential--Mathematics
QA141.15 / .L36 1961