Clarifying Haljala Stage in Estonia
Paiste, Tõnn
;
Meidla, Tõnu
;
Männik, Peep
;
Nõlvak, Jaak
13th International Symposium on the Ordovician System, July 19-22, 2019
2019
/
p. 149–150
http://www.igcp653.org/wp-content/uploads/2019/07/ISOS13Proceedings.pdf