Publication

Number of items: 4.
1 September 2020
  • Ten amazing facts about aphids. (2020) Harrington, Richard picture_as_pdf
    • 1971
  • Weather 1970 Rothamsted Experimental Station Harpenden. (1971) Penman, Howard Latimer
    • 1970
  • Weather 1969 XV Rothamsted Experimental Station Harpenden. (1970) Penman, Howard Latimer
    • 1891
  • Water and waer-supply with special reference to the supply of London from the chalk of Hertfordshire. (1891) Hopkinson, J.