@inbook {Petreius 1609t, title = {Gerardus Stael, senior professus Cartusiae Coloniensis}, booktitle = {Theodorus Petreius, Bibliotheca Cartusiana sive illustrium Sacri Cartusiensis Ordinis scriptorum catalogus}, year = {1609}, note = {Elektronisch raadpleegbaaer.}, pages = {104}, publisher = {Antonius Hieratus}, organization = {Antonius Hieratus}, address = {Coloniae [K{\"o}ln]}, keywords = {biographiae, Gerardus Stael O.Cart. (biographia)}, author = {Theodorus Petreius} }