@techreport{instance1589,
	 title = {{On the State of the Art in Requirements-based Validation and Test of Software}},
	 author = {Stefan Berner and Martin Glinz and Johannes Ryser},
	 year = {1998},
	 number = {IFI-2011.0011},
	 institution = {Institut f{\"u}r Informatik, Universit{\"a}t Z{\"u}rich},
	 month = {03},
	 Date-Added = {2026-08-02 22:38:36},
	 Date-Modified = {2026-08-03 07:32:24}
}