 | PARAMECIUM a current survey | WAGTENDONK,W.J. v. | € 32.50 |
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| PARAMECIUM. DAS PANTOFFELTIERCHEN | KALMUS,HANS | € 10.00 |
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| PARENTAL CARE AMONG FRESH-WATER FISHES | GILL,THEODORE | € 10.00 |
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| PARROTFISH GRAZING ON CORAL REEFS | BRUGGEMANN,J.HENRICH | € 20.00 |
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| PATHWAYS IN MALACOLOGY | SPOEL,S. v.d. / BRUGGEN,A.C. van / LEVER,J. | € 15.00 |
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| PATTERNS AND PROCESSES IN STREAM ECOLOGY | DUDGEON,DAVID | € 65.00 |
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| PECHER AUX LEURRES ARTIFICIELS | BEROUD,NICOLAS | € 15.00 |
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| PECHES CONTINENTALES | VIBERT,R. a,o, | € 15.00 |
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| PECTORAL FINS: aspects of propulsion and braking in teleost fishes | GEERLINK,P.J. | € 15.00 |
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| PELECYPODS FROM TRISTAN DA CUNHA | SOOT-RYEN,T. | € 10.00 |
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| PERFLUOROALKYL ACIDS IN DRINKING WATER: sources, fate and removal | ESCHAUZIER,CHRISTIAN | € 10.00 |
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| PERMAIN GASTROPODS AND CHITONS FROM PERAK, MALAYSIA part 1: Chitons, Bellerophontids, Euomphalids and Pleurotomarians | BATTEN,ROGER L. | € 10.00 |
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| PERSISTENT ORGANIC POLLUTANTS a swedish view of an international problem ( Monitor 16) | BERNES,CLAES | € 25.00 |
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| PERSPECTIVES IN COASTAL DUNE MANAGEMENT proceedings of the European Symposium Leiden september 7-11, 1987 The Netherlands | MEULEN,F. / JUNGERIUS,P.D. / VISSER,J.H. | € 20.00 |
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| PERSPECTIVES ON RORAL REEFS | BARNES,D.J. | € 10.00 |
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| PERSPECTIVES ON WATER an integrated model-based exploration of the future | HOEKSTRA,ARJEN Y. | € 12.00 |
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| PETRI HEIL VON 9 BIS 90 25 Jahre an Bach und Teich Erlebnisse eines Anglers | OVERBECK,G. | € 8.00 |
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| PFIESTERIA crossing dark water the true story behind the Public Health Menace that now treatens the Nation Tidal Waters | SHOEMAKER,R.C. | € 15.00 |
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| PHASE DIFFERNECE IN THE TIDAL RHYTHMS OF COLOR CHANGE OF TWO SPECIES OF FIDDLER CRAB | FINGERMAN,M. | € 5.00 |
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| PHEROMONES AND OVARIAN GROWT IN THE AFRICAN CATFISH | WEERD,J.H. van | € 10.00 |
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