Non-Agnostidean trilobites of the Middle Cambrian of Sweden Westergȧrd, Anton Hilmar 1880- creator text bibliography sw Stockholm Norstedt 1948-53 1948 1953 monographic eng
print
3 v. illus., plates, tables. 24 cm. "References" at end of each part. Trilobites Paleontology Cambrian Paleontology Sweden QE282 .A3 ser. C, no. 498 Ser. C--Avhandlingar och uppsatser ; n:o 498, 511, 526 Årsbok (Sveriges geologiska undersökning) ; 42, n:o 7; 43, n:o 9; 46, n:o 2 gs 49000055 U.S. Geol. Survey. Libr. 891017 20260227111354.0 gs 49000055