@article{PPN59025961X+DMDLOG_0002, title = {Vorrede.}, booktitle = {Beschlu\ss\ der Hydraulik und die Pneumatik Theil 6}, series = {GDML\_Books}, publisher = {R\"ose}, address = {Greifswald}, year = {1771}, pages = {uncounted}, url = {http://dml.mathdoc.fr/item/PPN59025961X+DMDLOG_0002} }
(éd.). Vorrede., dans Beschluß der Hydraulik und die Pneumatik Theil 6, GDML_Books, (1771), p. uncounted. http://gdmltest.u-ga.fr/item/PPN59025961X+DMDLOG_0002/