Footprints in the soil : people and ideas in soil history / edited by Benno Peter Warkentin - 548 páginas ISBN: 9780444521774 (papel alcalino) 0444521771 (papel alcalino) Subjects--Topical Terms: Edafología--HistoriaSuelos LC Class. No.: S590.7 / F66 Dewey Class. No.: 631.4/9