@inproceedings{sgem2013s09012, title = {CONTRACTING - A COOPERATION MODEL AND SERVICE CONCEPT FOR IMPLEMENTATION OF ENVIRONMENTALLY COMPATIBLE AND RATIONAL ENERGY SAVING MEASURES AND TECHNOLOGIES}, author = {Norbert Hartl}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on INFORMATICS, GEOINFORMATICS AND REMOTE SENSING}, year = {2013}, pages = {}, publisher = {Stef92 Technology}, doi = {10.5593/sgem2013/bb2.v2/s09.012} }