na INLIS000000000002751 Ind 0010-1118002751 Pedotechnique: a modern approach to presentday problems in soil handling and field traffic OUWERKERK, C. van C. van Ouwerkerk; A.J. Koolen Br.631.42OUWp Reprinted from : Soil Technology 1 (1988): 283-288 Bibl.p. 287 631.42 SOIL MECHANICS mfn-4433