@inproceedings{BarthelThomas2006, author = {Barthel, Claus and Thomas, Stefan}, title = {Energy+ pumps : technology procurement for very energy efficient circulation pumps}, booktitle = {Energy efficiency in domestic appliances and lighting : proceedings of the 4th international conference EEDAL ยด06 ; 21-23 June 2006, London, United Kingdom ; volume 3}, editor = {Bertoldi, Paolo}, publisher = {Office for Official Publications of the Europ. Communities}, address = {Luxembourg}, pages = {1439 -- 1446}, year = {2006}, language = {en} }