@book{4766,
	title = {Organizational systems; general systems approaches to complex organizations. },
	publisher = {R.D. Irwin},
	year = {1973. },
	address = {Homewood, Ill.,},
	url = {http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=007479076&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA }
}