G. Spaink / P. E. P. Norton

OCLC:639865995

Mollusks, Fossil

Richard Gilbert West / P. E. P. Norton

OCLC:251650037

I︠U︡riĭ Borisovich Gladenkov / P. E. P. Norton / Gerard Spaink / Geologicheskiĭ institut (Akademii︠a︡ nauk SSSR)

OCLC:14197501

Geology, Stratigraphic

Brian Michael Funnell / P. E. P. Norton / Richard Gilbert West

OCLC:59698867

B. M. Funnell / P. E. P. Norton / R. G. West

OCLC:174307882

Bramerton Crag (England)

P. E. P. Norton

OCLC:65480654

Poul Erik Poulsen / PEP

OCLC:467007010

I͡Uriĭ Borisovich Gladenkov / P. E. P. Norton / Gerard Spaink

STANFORD:36105006252519

Geology

I︠U︡riĭ Borisovich Gladenkov / P. E. P. Norton / Gerard Spaink

LCCN:80514389

Geology