MARC全文
0200084243 20060411111347.0 s1974 be f fr |100|||eng | NGL a580.8 Richardson, J. B. The stratigraphic utilization of some silurian and devonian miospore species in the northern Hemisphere : an attempt at synthesis / by J.B. Richardson. Brussels : Geolo. Surv. of Belgium, 1974. 52 p., 50 plates. International Symposium on Belgian Micropaleontological Limits from Emsian to Visean, Sep. 1-10, 1974, publication no.9. NGL EB00022733 580.8 G29 v9 afqy b1 efqy0604