@unpublished{BollinKuttruff, author = {Bollin, Elmar and Kuttruff, Ulrich}, title = {Kraft-W{\"a}rme-K{\"a}lte-Kopplung in der neuen Energiezentrale f{\"u}r die Hochschule Offenburg}, series = {Horizonte : Forschung an Fachhochschulen in Baden-W{\"u}rttemberg}, volume = {33}, number = {Januar 2009}, issn = {1432-9174}, language = {de} } @unpublished{SikorskiKuttruff, author = {Sikorski, Evgenia and Kuttruff, Ulrich}, title = {Organisation und Finanzierung von Exkursionen}, series = {Die neue Hochschule}, volume = {52}, number = {4-5}, issn = {0340-448X}, pages = {194 -- 195}, language = {de} } @unpublished{SikorskiKuttruff, author = {Sikorski, Evgenia and Kuttruff, Ulrich}, title = {Einblick in die deutsche TGA-Landschaft. Energietechniker der Hochschule Offenbach auf Exkursion}, series = {Tab - Das Fachmedium der TGA-Branche}, volume = {42 2011}, number = {11}, issn = {0341-2032}, pages = {59}, language = {de} }