TY  - BOOK
AU  - Lankford,Francis Greenfield
AU  - Ulrich,James F.
TI  - Essential mathematics
U1  - 510 
PY  - 1967///
CY  - New York
PB  - Harcourt, Brace & World
KW  - Mathematics
N1  - Includes index
UR  - http://www.archive.org/details/essentialmathema00lank
UR  - http://www.openlibrary.org/books/OL24206366M
ER  -