Author: Breskovski, S., 1966.: Title: Biostratigraphie du Barrémien au sud du village de Brestak, dans la région de Varna.
Description: Trav. Géol. Bulgarie, Sér. Paléont., 8: pp. 71-122, 10 pls. of photos of ammonites, 1 fold. diagr., refs. Plain wrs. - In Bulgarian (Cyrillic print) with French summary.
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Price: EUR 8.00 = appr. US$ 8.69 Seller: Aquila Natural History Books / Aquila Antiquariaat
- Book number: 58