1. TOXICITY TO THE GRAIN WEEVIL OF SOME ALKYL COMPOUNDS APPLIED AS VAPOURS
2. F. W. M. LLEWELYN, and M. ALLEN (1952 ). A method of estimating scorch on leaves.Rep. E. Malling Res. Sta. for1951, pp.115 -118 .
3. F. W. M. LLEWELYN (1957 ). Measurements of experimentally induced copper damage in apple leaves.Rep. E. Malling Res. Sta. for1956, pp.109 -13 .
4. STUDIES UPON THE COPPER FUNGICIDES.