Langer, R.H.M.
Agricultural plants - 2nd ed. - Cambridge Camb.Univ.Press 1991 - xiii, 387 s. : ill.
AGRICULTURE ECONOMIC PLANTS PLANTS PLANT RESOURCES
581.63
Agricultural plants - 2nd ed. - Cambridge Camb.Univ.Press 1991 - xiii, 387 s. : ill.
AGRICULTURE ECONOMIC PLANTS PLANTS PLANT RESOURCES
581.63