Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'Metcalf, Robert Lee 1916-', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1

    Destructive and useful insects their habits and control gan Metcalf, Robert Lee 1916-

    Cyhoeddwyd 1993
    Llyfr

    Destructive and useful insects their habits and control
  2. 2

    The future for insecticides needs and prospects : proceedings of a Rockefeller Foundation conference, Bellagio, Italy, April 22-27, 1974

    Cyhoeddwyd 1976
    Llyfr

    The future for insecticides needs and prospects : proceedings of a Rockefeller Foundation conference, Bellagio, Italy, April 22-27, 1974

Offerynnau Chwilio: