@article{GDZPPN002323346,
title = {Interaction of Tubes and Spheres.},
journal = {Mathematische Annalen},
volume = {264},
year = {1983},
pages = {31-42},
zbl = {0491.53034},
url = {http://dml.mathdoc.fr/item/GDZPPN002323346}
}
Vanhecke, L.; Willmore, T.J. Interaction of Tubes and Spheres.. Mathematische Annalen, Tome 264 (1983) pp. 31-42. http://gdmltest.u-ga.fr/item/GDZPPN002323346/