• Author: Daan, S.
• Title: De vroedmeesterpad, Alytes obstetricans (Laurenti, 1768), in Nederland.
• Year: 1964
• Reference Type: Journal Article
• Journal/Book Title: Natuurhist. Maandbl.
• Volume: 54
• Pages: 90-110
• Date of Publication: Sunday, 20 December 1964