tan, Kim. H. Soil sampling ,preparation and analysis. Soil sampling ,preparation and analysis/Kim .H.Tan.- - 2nd ed - LONDON,New York: Taylor and francis group, Inc.,2002. - 623p.: col.ill.;picture;graph; 23cm. - Soil sampling ,preparation and analysis. . Include References ,index and apendex. Subjects--Topical Terms: LC Class. No.: 631.1 Dewey Class. No.: 631.1