"Stellingen": p. [i]-v.Proefschrift--Groningen.Bibliographical footnotes.Mode of access: Internet
Proefschrift--Groningen.Includes bibliographical references.Mode of access: Internet
"Stellingen": p. [69]-74.Proefschrift--Leyden.Bibliographical footnotes.Mode of access: Internet
Proefschrift - Groningen.Includes bibliographical references.Mode of access: Internet
"Stellingen": p. [79]-82.Proefschrift--Groningen.Bibliographical footnotes.Mode of access: Internet
"Stellingen": p. [93]-97.Proefschrift--Leiden.Includes bibliographies.Mode of access: Internet
"Stellingen": p. [129]-135.Proefschrift--Leiden.Bibliographical footnotes.Mode of access: Internet
Proefschrift--Groningen."Stellingen": p.[i]-iv at end.Bibliography: p.7-13.Mode of access: Internet
"Stellingen": p. [95]-98.Proefschrift--Leiden.Bibliographical footnotes.Mode of access: Internet
"Stellingen": p. [187]-[192]Proefschrift--Leiden.Bibliographical footnotes.Mode of access: Internet
"Stellingen": p. [73]-76.Proefschrift--Leiden.Bibliographical footnotes.Mode of access: Internet
"Stellingen": p. [67]-70.Proefschrift--Groningen.Bibliographical footnotes.Mode of access: Internet
"Stellingen": p. [81]-83.Proefschrift--Amsterdam.Bibliographical footnotes.Mode of access: Internet
"Stellingen": p. [225]-230.Proefschrift--Leyden.Bibliographical footnotes.Mode of access: Internet
"Stellingen": p. [67]-71.Proefschrift--Leyden.Bibliographical footnotes.Mode of access: Internet
"Stellingen": p. [177]-187.Proefschrift--Leiden.Bibliographical footnotes.Mode of access: Internet
Proefschrift--Groningen.Includes bibliographical references.Mode of access: Internet
"Stellingen": p. [69]-74.Proefschrift--Leyden.Bibliographical footnotes.Mode of access: Internet
Proefschrift - Groningen.Includes bibliographical references.Mode of access: Internet
"Stellingen": p. [79]-82.Proefschrift--Groningen.Bibliographical footnotes.Mode of access: Internet
"Stellingen": p. [93]-97.Proefschrift--Leiden.Includes bibliographies.Mode of access: Internet
"Stellingen": p. [129]-135.Proefschrift--Leiden.Bibliographical footnotes.Mode of access: Internet
Proefschrift--Groningen."Stellingen": p.[i]-iv at end.Bibliography: p.7-13.Mode of access: Internet
"Stellingen": p. [95]-98.Proefschrift--Leiden.Bibliographical footnotes.Mode of access: Internet
"Stellingen": p. [187]-[192]Proefschrift--Leiden.Bibliographical footnotes.Mode of access: Internet
"Stellingen": p. [73]-76.Proefschrift--Leiden.Bibliographical footnotes.Mode of access: Internet
"Stellingen": p. [67]-70.Proefschrift--Groningen.Bibliographical footnotes.Mode of access: Internet
"Stellingen": p. [81]-83.Proefschrift--Amsterdam.Bibliographical footnotes.Mode of access: Internet
"Stellingen": p. [225]-230.Proefschrift--Leyden.Bibliographical footnotes.Mode of access: Internet
"Stellingen": p. [67]-71.Proefschrift--Leyden.Bibliographical footnotes.Mode of access: Internet
"Stellingen": p. [177]-187.Proefschrift--Leiden.Bibliographical footnotes.Mode of access: Internet
Proefschrift--Groningen.Includes bibliographical references.Mode of access: Internet
"Stellingen": p. [69]-74.Proefschrift--Leyden.Bibliographical footnotes.Mode of access: Internet
Proefschrift - Groningen.Includes bibliographical references.Mode of access: Internet