- Inactive-Withdrawn. The Software & System Engineering Essentials VuSpec integrates an abundant spectrum of features and content that is ideal for students, intro professionals, and practitioners. In addition to the PDF standards, this collection includes the landmark IEEE Guide to the Software Engineering Body of Knowledge (SWEBOK). For a complete list of contents go to http://standards.ieee.org/findstds/prod/cds/softess.pdf. LICENSING: SINGLE-USER EDITION: THIS PRODUCT IS LICENSED FOR ONE USER ONLY.