Formalizing informal requirements some aspects.- ViewPoint oriented software development: Methods and viewpoints in requirements engineering.- Using transformations to verify parallel programs.- Experiences with combining formalisms in VVSL.- A meta-environment for generating programming environments.- Introducing formal requirements into industry.- Where can I get gas round here? — an application of a design methodology for distributed systems.- Transformations of designs.- Norman's database modularised in COLD-K.- POLAR a picture-oriented language for abstract representations.- Inheritance in COLD.- A process specification formalism based on static COLD.- Specification of the transit node in PSFd.- Design of a specification language by abstract syntax engineering.- From an ERAE requirements specification to a PLUSS algebraic specification: A case study.