TY  - JOUR
AU  - R. A. Abdel-Baky
TI  - On Instantaneous Rectilinear Congruences
JO  - Journal for geometry and graphics
PY  - 2003
SP  - 129
EP  - 136
VL  - 7
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JGG_2003_7_2_JGG_2003_7_2_a0/
ID  - JGG_2003_7_2_JGG_2003_7_2_a0
ER  -