Type

Number of items: 4.
  • The links between research and advisory work in England and Wales. (1960) Jacob, F. H.
  • The present position in the study of insect dispersal and migration. (1960) Johnson, C. G.
  • The safe use of pesticides in the United Kingdom. (1960) Miller, E. J.
  • The ways in which plant viruses are transmitted by vectors. (1960) Watson, Marion