TY  - BOOK
AU  - Lankford, Francis G.
AU  - Ulrich , James F.
TI  - Essential mathematics
SN  - 0153531908
U1  - 510 LAN 
PY  - 1975///
CY  - London
PB  - Harcourt brace jovanovich
KW  - Mathematics
KW  - Algebra
N1  - includes index
ER  -