PakCat catalogue record Managing software requirements-(EBOOK) a unified approach By Leffingwell, Dean Bibliographic details ISBN0201615932 PublisherAddison-Wesley Publication placeReading, Mass. Publication year1999 Material typeBook Physical descriptionxxix, 491 s. Additional authorsWidrig, Don SubjectsComputer software, Programutveckling, Software engineering, Systemutveckling, EBOOK