Frasnian miospore assemblages and zones of southern Latvia and north-western Russia (Pskov region)
Raskatova, M., Voronezh State Univ. (Russian Federation). Dept. of Geology ; Jurina, A., Moscow State Univ. (Russian Federation). Faculty of Geology. Dept. of Palaeontology
Latvijas Universitates raksti (Latvia), 2012, Vol.783, p.24-36