A Framework for Incremental Integration Tools. - Martin Lefering (ICCI, 1993)

An incremental integration tool between requirements engineering and programming in the large. - Martin Lefering (RE, 1993)

Integrationswerkzeuge in einer Softwareentwicklungsumgebung. - Martin Lefering (Shaker, 1995)

Realization of Incremental Integration Tools. - Martin Lefering (IPSEN Book, 1996)

Transition Between Different Working Areas: Vertical Integration Tools. - Martin Lefering; Thorsten Janning (IPSEN Book, 1996)

Integration of Different Perspectives: The Requirements Engineering Environment. - Martin Lefering; Christine Kohring; Thorsten Janning (IPSEN Book, 1996)

Specification of Integration Tools. - Martin Lefering; Andy Schürr (IPSEN Book, 1996)

A Requirements Engineering Environment within a Tightly-Integrated SDE. - Christine Kohring; Martin Lefering; Manfred Nagl (Requir. Eng., 1996)