TY  - JOUR
AU  - C. Kimberling 
TI  - Yff Conics
JO  - Journal for geometry and graphics
PY  - 2008
SP  - 23
EP  - 34
VL  - 12
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2008_12_1_JGG_2008_12_1_a2/
ID  - JGG_2008_12_1_JGG_2008_12_1_a2
ER  -