Chapter 1: Introduction Product Design and Development Fourth Edition by Karl T. Ulrich and Steven D. Eppinger.
Chapter 5: Product Specifications Product Design and Developments Fourth Edition by Karl T. Ulrich and Steven D. Eppinger.
EMGT 364 BENCHMARKING John Checco Joe Dashiell EMGT 364 28 Feb 01.
Chapter 6: Product Specifications Product Design and Developments Fifth Edition by Karl T. Ulrich and Steven D. Eppinger.
Identifying Customer Needs Chapter 4: Ulrich and Eppinger.