@article{DBLP:journals/eatcs/EhrigPO99,
author = {Hartmut Ehrig and
Julia Padberg and
Fernando Orejas},
title = {From Basic Views and Aspects to Integration of Specification
Formalisms},
journal = {Bulletin of the EATCS},
volume = {69},
year = {1999},
pages = {98-109},
bibsource = {DBLP, http://dblp.uni-trier.de}
}