Home Publications & Data Working Paper Populus nigra network: Report of the 1st meeting, 3-5 October 1994, Izmit, Turkey author(s) Frison, Emile A. published in1995 original file download full citation European Forest Genetic Resources Programme; Frison, E.; Lefèvre, F.; de Vries, S.; Turok, J. (comps.) (1995) Populus nigra network. n. 52 p. ISBN: 978-92-9043-254-8, ISBN: 92-9043-254-3