华北及东北南部早及中寒武世三叶虫的分类及新属、新科的记述

华北及东北南部早及中寒武世三叶虫的分类及新属、新科的记述的英文翻译

基本释义

• A CLASSIFICATION OF THE LOWER AND MIDDLE CAMBRIAN TRILOBITES FROM NORTH AND NORTHEASTERN CHINA,WITH DESCRIPTION OF NEW FAMILIES AND NEW GENERA