%0 Journal Article %A Robert Craggs %T Small ambient isotopies of a 3-manifold which transform one embedding of a polyhedron into another %J Fundamenta Mathematicae %D 1970 %P 225-256 %V 68 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-68-3-225-256/ %R 10.4064/fm-68-3-225-256 %G en %F 10_4064_fm_68_3_225_256