Antoaneta Serguieva John Hunter Tatiana Kalganova Soft computing in investment appraisal. 214-219 2001 EUSFLAT Conf. http://www.eusflat.org/proceedings/EUSFLAT_2001/papers/214_Serguieva.pdf conf/eusflat/2001 db/conf/eusflat/eusflat2001.html#SerguievaHK01