Fragments of history /

by Gass, K. C
Published 2000

The procedural system /

by Gass, K. C
Published 1995

Trilobite poems /

by Gass, K. C (Kenneth C.), 1948-
Published 2000

Fossils of the Milwaukee Formation : a diverse Middle Devonian biota from Wisconsin, USA /

by Gass, K. C (Kenneth C.), 1948-, Brett, Carlton E (Carlton Elliot), Kluessendorf, Joanne, Mikulic, Donald G
Published 2019