TY  - JOUR
AU  - N. J. Wildberger 
TI  - Rotor Coordinates and Vector Trigonometry
JO  - Journal for geometry and graphics
PY  - 2017
SP  - 89
EP  - 106
VL  - 21
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2017_21_1_JGG_2017_21_1_a8/
ID  - JGG_2017_21_1_JGG_2017_21_1_a8
ER  -