Lower Silurian biostratigraphy of the Viirelaid core, western Estonia
Rubel, Madis
;
Hints, Olle
;
Männik, Peep
;
Meidla, Tõnu
;
Nestor, Viiu-Kai
;
Sarv, Lembit
;
Sibul, Ivo
Estonian journal of earth sciences
2007
/
4, p. 193-204 : ill