1. Effect of some fungicides for the protection of hops against Pseudo-perenospora h. (Miy & Tak.) Wils. on the technological quality of hops and the quality of beer;Acimovic;Bilt. Hmeljt Siral,1974
2. Copper: soil, water, plant relationships;Baker,1974
3. Copper toxicity: Effect on orange yields;Chapman;Citrograph,1969
4. Copper toxicity: Effect on orange yields;Chapman;Citrograph,1969