Pouransari, NasibehBocquenet, GeraldMaréchal, Francois2013-09-292013-09-29201410.1016/j.enconman.2014.02.005https://infoscience.epfl.ch/handle/20.500.14299/95015WOS:000340213800084Site-scale process integration and utility optimization with multi-level energy requirement definitiontext::journal::journal article::research article