, . Submicroscopy of soils and weathered rocks / by(IWGSUSM). - 1st.Edn. / - Wageningen : Central Agricultural publishing And Documentation , 1971 - 320p ; ISBN: 90 220 0777 4 Subjects--Topical Terms: Weathered Rocks Dewey Class. No.: H2:19p1,N80 / M1;1