@book{PPN619917253, title = {Neun Tafeln zu den Grundz\"ugen der Mechanik Taf}, series = {GDML\_Books}, publisher = {M\"acken}, address = {Stuttgart}, year = {1855}, language = {de}, url = {http://dml.mathdoc.fr/item/PPN619917253} }
Bitzel, J. Neun Tafeln zu den Grundzügen der Mechanik Taf. GDML_Books (1855), http://gdmltest.u-ga.fr/item/PPN619917253/