Progress in studies on Myriapoda and Onychophora : proceedings of the 11th International Congress of Myriapodology, 20-24 July 1999, Białowieża, Poland / ed. by Jolanta Wytwer & Sergei Golovatch - Golovač, Sergej Il'ič (1952– ). Red.; Wytwer, Jolanta (1958– ). Red.; International Congress of Myriapodology (11 ; 1999 ; Białowieża) (2000)