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Pfälzer Wasser hart und weich | Scherer, H. | 1950 | |
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Industriekarte der Pfalz | 1950 | ||
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Provenance transport and deposition of Rhine sediments. A heavy mineral study on river sands, from the drainage area of the Rhine | Andel, Tjeerd Hendrik van | 1950 | |
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Die Pfalz, mein Heimatland : e. Heimatkunde f. d. Pfälzer Jugend | Zink, Albert; Zink, Wolfgang | 1950 |