Camilo A. Franco Mikkel Bojesen Jens Leth Hougaard Kurt Nielsen The Fuzzy WOD Model with Application to Biogas Plant Location. 141-150 2013 SOCO-CISIS-ICEUTE https://doi.org/10.1007/978-3-319-01854-6_15 conf/softcomp/2013 db/conf/softcomp/soco2013.html#FrancoBHN13