 | PROBING BEHAVIOR OF THRIPS | KINDT,FRODO | € 20.00 |
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| PROBING BEHAVIOUR OF THRIPS behavioural study on the feeding of western flower thrips related to Tomato spotted wilt virus transmission and host plant susceptibility | KINDT,FRODO | € 20.00 |
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| PROBING BEHAVOUR OF THRIPS | KINDT,FRODO | € 20.00 |
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| PROBING PLANT STRUCTURE a scanning electron microscope study of some anatomical features in plants and the relationship of these structures to physiological processes | TROUGHTON,JOHN a.o. | € 10.00 |
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| PROBLEME DER RESiSTENZ VON PLANZEN GEGEN VIREN.. | VISNYOVSZKY,E. a.o. | € 20.00 |
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| probleme dr obertragung und ausbreitung pflanzenpathogener viren.. | SPAAR,DIETER a.o. | € 20.00 |
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| PROBLEMS OF BALKAN FLORA AND VEGETATION | BULGARIAN ACADEY OF SCIENCE | € 40.00 |
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| PROBLEMY BOTANIKI VII: voprosy biologii i fiziologii rastenij v uslovijak vysokogorii | HAYK | € 15.00 |
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| PROCEEDINGS OF SYMPOSIA 9TH INTERNATIONAL CONGRESS OF PLANT PROTECTION 2 vols | KOMMEDAHL,THOR | € 25.00 |
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| PROCEEDINGS OF THE 1980 BRITISH CROP PROTECTION CONFERENCE-WEEDS (15th British Weed Control Conference) volume 1 and 2 | WHEELER,C. a.o. | € 25.00 |
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| PROCEEDINGS OF THE 9TH CONGRESS vol 1 | INTERNATIONAL BOTANICAL CONGRESS | € 30.00 |
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| PROCEEDINGS OF THE FIRST INTERNATIONAL CONFERENCE ON EPHEMEROPTERA Florida Agricultural and Mechanical University august 17-20, 1970 | PETERS,W.L. / PETERS,J.G. | € 50.00 |
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| PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON SYSTEMATIC PTERIDOLOGY | SHING,K.H. a.o. | € 63.00 |
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| PROCEEDINGS OF THE SEVENTH INTERNATIONAL SYMPOSIUM ON FLOWER BULBS 2 vols | LILIEN-KIPNIS,H. a.o. | € 35.00 |
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| PROCEEDINGS OF THE SUMMER INSTITUTE ON BIOLOGICAL CONTROL OF PLANTS INSECTS AND DISEASES | FOWDEN,G.A.a.o. | € 40.00 |
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| PROCEEDINGS OF THE WORKSHOP ON LAND EVALUATION FOR FORESTRY | LABAN, P. | € 15.00 |
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| PRODROMUS FLORAE BATAVAE 4 vols | NEDERLANDSCHE BOTANISCHE VEREENIGING | € 100.00 |
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| PRODROMUS FLORAE HEPATICARUM POLYNESIAE 2 vols | MILLER,H.A. a.o. | € 135.00 |
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| PRODUCTEN VAN INDONESIE | VEER,K van der | € 10.00 |
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| PRODUCTION OF POT ROSES | PEMBERTON,H.Br. a.o. | € 8.00 |
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