@inproceedings{inproceedings678357ed, title = {Heat transformers for upgrading waste heat from industrial processes}, author = {Le Goff, Pierre and Oliveira JĂșnior, Silvio de and Matsuda, H and Ranger, P M and Rivero, R and Liu, B Q}, year = {1990}, publisher = {Pergamon Press}, booktitle = {Florence World Energy Research Symposium Firenze} }