@book{SpechtForkelWeber, author = {Specht, Dieter and Forkel, M. and Weber, H.}, title = {Semantic Modelling of Technical Objects}, publisher = {Berlin; Heidelberg u. a. : Springer}, isbn = {3540977546}, language = {en} } @book{SpechtForkelWeberetal., author = {Specht, Dieter and Forkel, M. and Weber, H. and Specht, Dieter}, title = {Fokus - Forschungskapazit{\"a}ten und -seviceleistungen}, publisher = {Berlin; Heidelberg u. a. : Springer}, language = {en} }