TY  - BOOK
AU  - Taylor,Judith M.
ED  - Blackwell 
TI  - Looking at lines
SN  - 063112070X
U1  - 372.7 23
PY  - 1969///.
CY  - London: 
PB  - Blackwell, 
KW  - Mathematics
KW  - Study and teaching (Elementary)
ER  -