Media type: E-Article Title: Regions in the nonstandard plane that contain no standard points Contributor: Leth, Steven Published: Journal of Logic and Analysis, 2012 Published in: Journal of Logic and Analysis (2012), Seite 1-17 Language: Not determined DOI: 10.4115/jla.2012.4.16 ISSN: 1759-9008 Keywords: Logic ; Modeling and Simulation ; Analysis Origination: Footnote: Access State: Open Access