Specimen physico-mathematicum inaugurale. De aggeribus. : Quod ... ex auctoritate ... Gerlaci Scheltinga ... / publico ac solemni examini submittit Petrus van Bleiswyk, Delph. Batav
Specimen physico-mathematicum inaugurale. De aggeribus. : Quod ... ex auctoritate ... Gerlaci Scheltinga ...