 | INSTRUCTIONS FOR COLLECTORS No. 2a: BIRDS | HARRISON,C.J.O. / COWLES,G.S. / DAHL,A.L. | € 10.00 |
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| INSTRUCTIONS TO YOUNG ORNITHOLOGISTS | MACDONALD,JD | € 5.00 |
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| INTEGRATION OF FEEDING MECHANISMS IN SOME ANSERIFORM BIRDS | KOOLOOS,J.G.M. | € 10.00 |
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| INTERNATIONAL CONFERENCE ON THE CONSERVATION OF WETLANDS AND WATERFOWL:proceedings dec.1974 | SMART,M. | € 20.00 |
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| INTERNATIONAL ORNITHOLOGISCH CONGRESS 16 ABSTRACTS | AUSTRALIAN ACADEMY OF SCIENCE | € 15.00 |
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| INTERNATIONAL WATERFOWL RESEARCH BUREAU Report of the XXXI Annual Meeting 1985 | SCOTT,D.A. | € 10.00 |
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| INTIMATE SKETCHES FROM BIRD LIFE | HOSKING,EJ | € 5.00 |
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| INTRIGUING OWLS exeptional images and insight | TEKIELA,STAN | € 10.00 |
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| INTRODUCCION A LAS AVES DE COLOMBIA | LOPEZ,HUMBERTO ALVAREZ | € 15.00 |
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| INTRODUCTION TO BIRD WATCHING IN MALAYA | SYMES,Gw. | € 10.00 |
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| INTRODUCTION TO ORNAMENTAL PHEASANTS | HOWMAN,K.C.R. | € 10.00 |
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| INTRUDUCTION TO THE CALIFORNIA CONDOR | SNYDER,N.F.R. / H. | € 15.00 |
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| INVENTERING AV SKANES SALLSYNTA GROB-DDJUR | BERGLUND,B. | € 7.00 |
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| INVLOEDEN VAN AGRARISCHE METHODEN OP DE WEIDEVOGELSTAND VERSLAG VAN EEN DOCTORAALONDERWERP VOOR HET BIJVAK DIERENOECOLOGIE VAN DE STUDIERICHTING BIOLOGIE. JANUARI-SEPTEMBER 1974 RIN-rapp. | WERF,D. VAN DER | € 7.50 |
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| IRELANDS BIRDS | RUTTLEDGE,ROBERT F. | € 10.00 |
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| IRELANDS BIRDS | RUTLEDGE,R.F. | € 15.00 |
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| IRENE ORNITOLOGISCH TIJDSCHIFT no 1 and 2 | ORNITHOLOGISCHE VERENIGING NEDERLANDSCH INDIE | € 20.00 |
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| ISBN 7-5401-0835-5/ 7-5401-0836-3 | N.N. | € 40.00 |
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| ISLES OF SCILLY BIRD REPORT 1970 | CORNWALL BIRD-WATCHING & PRESERVATION SOCIETY | € 5.00 |
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| IT FRYSKE GEA ZESTIG JAAR NATUURBESCHERMING | ERNST,H. a.o. | € 5.00 |
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