Author: WESTERVELD, J. Title: On the origin of the acid volcanic rocks around Lake Toba, North Sumatra. A further contribution to the knowledge of welded rhyolite-tuffs ... etc.
Description: 1947. Verh. KNAW, Afd. Nat. (II) XLIII-1; 51 pp. 5 photoplts. h.t. 1 fold. pl. with geol. map. Orig. wrappers.
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Price: EUR 15.00 = appr. US$ 16.30 Seller: Lingua Terrae Books
- Book number: 9050239
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