Author: BULMAN, O.M.B.
Title: On the genus Amplexograptus Lapworth, Elles and Wood.
Description: 1962, Reprint Geol. Mag. XCIX; pp. 459-467, 2 fig. plus 10 other small reprints by the same author on graptolites. Most with orig. wrps. and libr. stamp.

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