@incollection {LA\&D\&a,
	title = {An empirical investigation on scientific observation},
	booktitle = {Theory of Knowledge and Science Policy},
	year = {1979},
	pages = {3{\textendash}36},
	publisher = {Communication \& Cognition},
	author = {Apostel, Leo and Batens, Diderik and Breusegem, Erwin and De Coninck, Jan and De Waele, Danny and Pinxten, Rik and Swings, Jean and Van Bendegem, Jean Paul and Vandamme, Fernand},
	editor = {Callebaut, Werner and De Mey, Marc and Pinxten, Rik and Vandamme, Fernand}
}
@incollection {D:v\&mr,
	title = {Verisimilitude and meaning relations},
	booktitle = {CC77. International Workshop on the Cognitive Viewpoint},
	year = {1977},
	pages = {321{\textendash}328},
	publisher = {Ghent University},
	author = {Batens, Diderik},
	editor = {De Mey, Marc and Pinxten, Rik and Poriau, M. and Vandamme, Fernand}
}
