Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio 'J.A. Gulland', amser ymholiad: 0.01e Mireinio'r Canlyniadau
  1. 1
    Manual of Methods for fisheries Resource Survey and Appraisal part5- Objective s and Basic Methods
    gan J.A. Gulland
    Cyhoeddwyd 1975
    Printed Book
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