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Chayaporn Wattanasiri. 1995. Chromosome identification in the S and H genomes of E.trachycaulus and E.canadensis and several possible diploid progenitors. Department of Plant Science, University of Alberta;
Chayaporn Wattanasiri. (1995) Chromosome identification in the S and H genomes of E.trachycaulus and E.canadensis and several possible diploid progenitors . University of Alberta/Edmonton.
Chayaporn Wattanasiri. Chromosome identification in the S and H genomes of E.trachycaulus and E.canadensis and several possible diploid progenitors. . Edmonton:University of Alberta, 1995.
Chayaporn Wattanasiri. (1995) Chromosome identification in the S and H genomes of E.trachycaulus and E.canadensis and several possible diploid progenitors . University of Alberta/Edmonton.