19
1
January
1
15
LOEFFLER, E. J., JONES, B. 1976. An ostracoderm fauna from the Leopold Formation (Silurian to Devonian) of Somerset Island, North-West Territories, Canada. Palaeontology, 19, 1, 1–15.
E. J. Loeffler and B. Jones The Palaeontological Association (Free Access)