@inbook{Kockelmans1979,
author = {Kockelmans, J.J.},
title= {Why interdisciplinarity?},
year = {1979},
editor = {Kockelmans, J.J.},
booktitle = {Interdisciplinarity and higher education},
address = {University Park},
publisher = {Pennsylvania State University},
pages = {123--160},
}