 | UNDERWATER WILDERNESS | ROESSLER,CARL | € 10.00 |
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| UNE ANTHOLOGIE DE LA MARINE BELGE | VOS,HENRY de | € 45.00 |
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| UNIVERS CORALLIEN | GORSKY,BERNARD | € 20.00 |
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| UNIVERS CORALLIEN | GORSKI,B. | € 30.00 |
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| UNSER AQUARIUM | BERLINER MORGENPOST | € 45.00 |
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| UNSERE SCHNECKEN UNS MUSCHELN | JANUS,HORST | € 10.00 |
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| UNSERE SUMPF- UND WASSERPFLANZEN | RAUH,W. | € 10.00 |
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| UNTER KORALLEN UND HAIEN. ABENTEUER IN DER KARIBISCHEN SEE | HASS,HANS | € 20.00 |
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| UNTERSUCHUNGEN ÜBER DIE LICHTEMPFINDLICHKEIT VON MUTANTEN VON BARBUS ( PUNTIUS) CONCHONIUS HAMILTON-BUCHANAN (CYPRINNIDAE) MIT MISSGEBILDETEN AUGEN | THINES.G. | € 5.00 |
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| UPSTREAM salmon and society in the Pacific Northwest | NATIONAL RESEARCH COUNCIL | € 10.00 |
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| UPWELLING IN THE OCEAN modern processes and ancient records | SUMMERHAYES,C.P. a.o. | € 25.00 |
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| VALLICOLTURA MODERNA proposte operative per la ristrutturazione e lo sviluppo della itticoltura salmastra italiana | RAVAGNAN,G. | € 25.00 |
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| VALUES AT SEA ethics for the marine environment | DALLMEYER,DORINDA G. | € 15.00 |
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| VAN DE WAL IN DE SLOOT;een typologisch onderzoek aan makrofaunacoenosen | BELTMAN,B | € 12.00 |
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| VAN INZICHT NAAR DOORZICHT beleidsmonitor water, thema chemische kwaliteit van oppervlaktewater | R.I.V.M. Milieu- en Natuurplanbureau | € 20.00 |
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| VAN NONNETJE TOT TONNETJE de recente en fossiele weekdieren (slakken en schelpen) van Amsterdam | BRUYNE,R. de / NECKHEIM,T. | € 10.00 |
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| VAN NOSTRANT`S STANDARD CATALOG OF SHELLS | WAGNER,ROBERT J.L. A.O. | € 20.00 |
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| VAN WATERSNUFFEL TOT MEIDOORNHAAG | MAAS,PETER | € 5.00 |
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| VAREN OP DE NIEUWKOOPSE PLASSEN waterschap de aarlanden | KEMP,D.A.B.e.a. | € 5.00 |
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| VARIATION IN GROWTH RATE AS AN ECOLOGICAL FACTOR IN THE LANDSMAIL | OOSTERHOFF,LUCY | € 10.00 |
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