Adult and Immature Calvertiellidae (Insecta: Palaeodictyoptera) from the Upper Paleozoic of New Mexico and Czechoslovakia
Published in Psyche: A Journal of Entomology, in 1976, in volume 83, issue 1, pages 79-93
Date published:1976
Published in Psyche: A Journal of Entomology, in 1976, in volume 83, issue 1, pages 79-93
Date published:1976