@book {9783747506479, 
	title = "COBOL - Altsysteme warten und erweitern",
	author = "Rozanski, Uwe",
	isbn = "9783747506479",
	year = "2023",
	edition = "1",
	keywords = "Softwareentwicklung, IT, Programmierung, Programmiersprache, Informatik, IMS, Datenbanken, SQL, buch, Syntax, Softwareengineering, mitp, cobol, cobol programmieren, legacy code, cics",
	url = "http://www.content-select.com/index.php?id=bib_view&ean=9783747506479",
	url = "https://content-select.com/de/portal/media/view/63e13aa4-467c-49d2-ad2c-4204ac1b000f",
	publisher = "mitp-Verlag",
	language = "ger",
}