Alain Ratle Michèle Sebag Grammar-guided genetic programming and dimensional consistency: application to non-parametric identification in mechanics. 105-118 2001 1 Appl. Soft Comput. 1 http://dx.doi.org/10.1016/S1568-4946(01)00009-6 db/journals/asc/asc1.html#RatleS01