Author: Coninck, J. De
Title: Dinophyceae et Acritarcha de l'Ypresien du sondage de Kallo.
Description: Bruxelles, Institut royal des Sciences naturelles de Belgique, [1968]-1969. 4to (32.5 x 25.2 cm). 67 pp., 17 plates. Contemporary black cloth. Original printed front wrapper mounted. = A detailed and well-illustrated monograph which includes new species. Uncut. A rare bound copy. Printed errata leaf - not always present - loosely inserted. Stamp in title page lower margin, otherwise a very good, clean copy.

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