@book{aichele1997,
	title = {Kennzahlenbasierte Geschäftsprozeßanalyse},
	address = {Gabler},
	annote = {XXII, 451 S},
	author = {{Christian} Aichele},
	howpublished = {Wiesbaden},
	url = {http://gso.gbv.de/DB=2.1/CMD?ACT=SRCHA&SRT=YOP&IKT=1016&TRM=ppn+222497963&sourceid=fbw_bibsonomy},
	year = {1997},
	biburl = {http://www.bibsonomy.org/bibtex/2823486e08f418b1c36386cdb9515ec8f/fbw},
	description = {imported},
	isbn = {3-409-12173-0},
	keywords = {imported }
}

@book{aichele2001,
	title = {Kostenrechnen und Kostensenken in der Schweißtechnik : Handbuch zum Kalkulieren, wirtschaftlichen Konstruieren und Fertigen},
	address = {Verl. für Schweißen und verwandte Verfahren, DVS-Verl.},
	annote = {233 S},
	author = {{Günter} Aichele and {Werner} Spreitz},
	howpublished = {Düsseldorf},
	url = {http://gso.gbv.de/DB=2.1/CMD?ACT=SRCHA&SRT=YOP&IKT=1016&TRM=ppn+326797653&sourceid=fbw_bibsonomy},
	year = {2001},
	biburl = {http://www.bibsonomy.org/bibtex/2a7ad9cf83195c2339df8789080f7f07b/fbw},
	description = {imported},
	isbn = {3-87155-196-1},
	keywords = {imported }
}

@book{aichele2006,
	title = {Intelligentes Projektmanagement},
	address = {Kohlhammer},
	annote = {299 S.},
	author = {{Christian} Aichele},
	howpublished = {Stuttgart},
	url = {http://gso.gbv.de/DB=2.1/CMD?ACT=SRCHA&SRT=YOP&IKT=1016&TRM=ppn+512679134&sourceid=fbw_bibsonomy},
	year = {2006},
	biburl = {http://www.bibsonomy.org/bibtex/24b86f1644b47b8c4a8fa39c384724781/fbw},
	description = {imported},
	isbn = {3-17-019094-6=978-3-17-019094-8},
	keywords = {imported }
}