Review of palynological investigations of Quaternary sediments in 1993
Geoscience Research Reports 27, 1994 (GRR for 1993),
pages 14–15
Map sheets:
Horní Blatná (01-43), Mělník (12-22), Praha (12-24), Nymburk (13-14), Hlučín (15-41), Protivanov (24-23)