Bulgarian Antarctic research. Vol. 4$90: Vol. 4
Ик 2000-7/703 954-642-219-3/английский/Vol. 4 .Vol. 4.Vol. 4.Б. м./, 2004 ( ). - 2004. - VI, 128 с. : ил.Vol. 4. Б. м., 2004 .Bulgarian Antarctic research : life sciences / Bulg. Antarct. inst., Bulg. acad. of sciencesVol. 4$90