TY  - BOOK
AU  - Hall, H.S
AU  - Knight, S. R
TI  - Elementary Algebra for Schools: containing a full treatment of Graphs 
U1  - 512 HAL-E 1965 
PY  - 1965///
CY  - London "
PB  - Macmillan & Co
KW  - Algebra
ER  -