Lower Cambrian acritarchs from the Baltic depression and southcentral Sweden, taxonomy and biostratigraphy /&/ Middle Cambrian acritarchs from the Baltic depression and southcentral Sweden, taxonomy and biostratigraphy.
1989. Stockholm Contr. Geol. 41; 250 pp. 19 fig. 8 plts. h.t. Orig. wrps. libr. stamp in corner of front cover, uncut.
Organische Mikrofossilen (Chlorophyta, Acritarcha, Sporae dispersae, Scolecondonten) aus dem Schichten des Streichengrundes, Unterdevon, im Raum Guttenberg-Kupferberg des Frankenwaldes.
1989. Beringeria 1; pp. 57-113, 4 fig. 5 photoplts. Orig. extract, stapled, very good, 4to.