Medd, A. W. (1983). Foraminifera from the lower Oxford clay (Callovian stage) of the Norman's Cross pit, near Peterborough, Cambridgeshire. Revista Española de Micropaleontología. 15(2): 221-256.
339807
Medd, A. W.
1983
Foraminifera from the lower Oxford clay (Callovian stage) of the Norman's Cross pit, near Peterborough, Cambridgeshire
Revista Española de Micropaleontología