Alessandro Berarducci Tamara Servi An effective version of Wilkie's theorem of the complement and some effective o-minimality results. 43-74 2004 125 Ann. Pure Appl. Logic 1-3 http://dx.doi.org/10.1016/j.apal.2003.08.001 db/journals/apal/apal125.html#BerarducciS04