@ARTICLE {
	AUTHOR = "Oscar Callau and Romain Robbes and {\'E}ric Tanter and David Roethlisberger and Alexandre Bergel",
	TITLE ="On the Use of Type Predicates in Object-Oriented Software: The Case of Smalltalk",
	JOURNAL = "ACM SIGPLAN Notices (SIGPLAN)",
	VOLUME = "50",
	NUMBER = "2",
	PAGES = "135-146",
	MONTH = "Feb",
	YEAR = "2015",
	PUBLISHER = "ACM Press",
	ADDRESS = "New York, NY, USA",
	ISSN = "0362-1340"
	}