Malcolm McIlhagga Phil Husbands Robert Ives A Comparison of Search Techniques on a Wing-Box Optimisation Problem. 614-623 1996 conf/ppsn/1996 PPSN db/conf/ppsn/ppsn1996.html#McIlhaggaHI96a http://dx.doi.org/10.1007/3-540-61723-X_1025