%0 Journal Article
%A H. Stachel 
%T Recalling Thread Constructions of Quadrics
%J Journal for geometry and graphics
%D 2020
%P 143-157
%V 24
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JGG_2020_24_2_JGG_2020_24_2_a0/
%F JGG_2020_24_2_JGG_2020_24_2_a0