A brief note on Ferdinand Verbiest. Curious Expeditions. 2 July 2007 [2008-03-18]. （原始内容存档于2008-04-03）. – Note that the vehicle pictured is the 20th century diecast model made by Brumm, of a later vehicle, not a model based on Verbiest's plans.
A brief note on Ferdinand Verbiest. Curious Expeditions. 2 July 2007 [2008-03-18]. （原始内容存档于2008-04-03）. – Note that the vehicle pictured is the 20th century diecast model made by Brumm, of a later vehicle, not a model based on Verbiest's plans.
