By Todorov T.   Boeva V.   in Annals of Tropical Medicine and Parasitology

ISSN:1364-8594|94|2|135-144

Routledge Ltd‎(2000)‎

Access to resources Favorite 12.01351

By Tsiporkova E.   De Baets B.   Boeva V.   in Fuzzy Sets and Systems

ISSN:0165-0114|102|3|371-383

Elsevier‎(1999)‎

Access to resources Favorite 9.44678