The Tommotian Stage and the Cambrian Lower Boundary Problem
Inbunden bok. Amerind Publ. New Delhi. 1981. 469 sidor.
Mycket gott skick. Skyddsomslag i hyggligt skick. Name on front end-paper. Edge-worn sleeve with a few dents. Publisher's cloth. Complete with 15 fold-out tables and 55 plates. Translated from russian 1969 original ed.