Root identification manual of trees and shrub : Guide to the anatomoy of roots of trees and shrubs in britain and northern europ - D.F Cutler; P.J Rudall P.E Gasson R.M.O Gale (London Chapman and Hall, 1987)
D.F Cutler; P.J Rudall; P.E Gasson & R.M.O Gale: Root identification manual of trees and shrub : Guide to the anatomoy of roots of trees and shrubs in britain and northern europe. London. Chapman and Hall, 1987. 0-412--25750-5--(581.1CUT)
ENGLISH