 | KEIZERSVISSEN EN KORAALVLINDERS | KORTHAUS,EDITH | € 10.00 |
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| CALIFORNIA COASTAL RESOURCE GUIDE | CAUGHMAN,MAGE | € 45.00 |
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| SYSTEMS APPROACH TO WATER MANAGEMENT | BISWAS,ASIT | € 20.00 |
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| PLANKTON STUDIES | DEEVEY,GEOGIANA B. | € 10.00 |
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| LIMNOLOGY | WETZEL, ROBERT G. | € 20.00 |
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| SEA MANAGEMENT a theoretical approach | VALLEGA,A. | € 50.00 |
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| WATER mensenrecht of handelswaar | MILIEUDEFENSIE | € 5.00 |
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| SEA TURTLES NESTING IN SURINAM | ASCHULZ,J.P. | € 15.00 |
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| A CHECKLIST OF TEXAS FRESHWATER FISHES | HUBBS,CLARK | € 10.00 |
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| DE COLOR OF LOBSTERS | IJK, ARJAN van | € 10.00 |
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| HYDROBIOLOGICAL BULLETIN | DORGELO a.o | € 10.00 |
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| DIE BESTIMMUNG DER WASSERSTOFFIONENKONZENTRATION VON FLUSSIGKEITEN | MISLOWITZER,E. | € 20.00 |
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| TROPICAL MARINE AQUARIA | RILELEY,R.A. | € 25.00 |
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| FISHKRANKHEITEN | SCHAPERCLAUS,WILHELM | € 20.00 |
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| THE SMELL OF THE SEA | STEFELS,JACQUELINE | € 10.00 |
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| MAKING OCEAN POLICY | HOOLE,FRANCIS W. a.o. | € 20.00 |
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| OYSTER CULTIVATION IN BRITAIN | COLE,H.A. | € 15.00 |
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| LA JUNGLE DU SILENCE | GORSKY,BERNARD | € 10.00 |
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| A CRIACAO DE PEIXES TROPICAIS | SCHNEIDER,EARL | € 10.00 |
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| CICHLIDEN | GOLDSTEIN,R.J. | € 5.00 |
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