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Dyfyniad Arddull ChicagoFeder, Martin E., and ...[et al.]. New Directionsd in Ecological Physiology. New York: Cambridge University Press, 1987.
Dyfyniad MLAFeder, Martin E., and ...[et al.]. New Directionsd in Ecological Physiology. Cambridge University Press, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.