@articleSchryen_2007, title=The Impact that Placing Email Addresses on the Internet has on the Receipt of Spamf? An Empirical Analysis, volume=2, number=5, journal=Computers &; Security, publisher=Elsevier, author=Schryen, Guido, year=2007, pages=361–372 
LibreCat: /record/5658

@inproceedingsSchryen_2005, title=An e-mail honeypot addressing spammers’ behavior in collecting and applying addresses, booktitle=Proceedings of the 6th IEEE Information Assurance Workshop, publisher=Westpoint, author=Schryen, Guido, year=2005, pages=37–41 
LibreCat: /record/5661