Dangos 1 - 2 canlyniadau o 2 ar gyfer chwilio 'Jeffers, J N R', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1
    Practitioner's handbook on the modelling of dynamic change in ecosystems /
    gan Jeffers, J. N. R.
    Cyhoeddwyd 1988
    Printed Book
  2. 2
    Introduction to system analysis: with ecological applications
    gan Jeffers, J N R
    Cyhoeddwyd 1978
    Printed Book
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