METHOD OF MECHANICAL CLEANING OF ROLLED STOCK WITH CYLINDRICAL, MULTIWEB (SHAPED) OR FLAT SURFACE AND MACHINE FOR PERFORMING THE METHOD von POLTORATSKIJ L.M, STARODUBOV P.M, IVANOV I.M, KOSTOVA R.G, IVANOV S.I, SHADRIN V.N, KUSTOV B.A

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Virus diseases of vegetable crops in Southern Bulgaria von Kostova, D, Tsorlianis, S. (Institute for Horticulture and Canned Food, Plovdiv (Bulgaria)), Lisa, V, Milne, R.G, Vaira, A.M, Dellavalle, G. (Consiglio Nazionale delle Ricerche, Turin (Italy). Istituto di Virologia Vegetale)

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FIRST REPORT OF CUCUMBER LEAF SPOT VIRUS IN BULGARIA von Kostova, D., Milne, R.G., Dellavalle, G., Lisa, V.

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