13
1
March
40
46
TREWIN, N. H. 1970. A dimorphic goniatite from the Namurian of Cheshire. Palaeontology, 13, 1, 40–46.
N. H. Trewin Abstract for 'A dimorphic goniatite from the Namurian of Cheshire. By N.H. Trewin is MISSING (Page 40) The Palaeontological Association (Free Access)