Title: Bo Hai yan an di qu zao di san ji lun zao /
Authors: Shi you hua xue gong ye bu shi you kan tan kai fa gui hua yan jiu yuan (China); Zhongguo ke xue yuan.
Publisher: Ke xue chu ban she : Xin hua shu dian Beijing fa xing suo fa xing,
Year: 1978
Subjects: Charophyta, Fossil.; Paleontology; Paleontology China Bo Hai Region.