Smith, Keith A. Soil analysis : physical methods - New York : Marcel Dekker, 1991 - 620 p. : ilus - Books in soils, plants and the environment . - Books in soils, plants and the environment . LCCN: 9896 Subjects--Topical Terms: Suelos--Análisis.Suelos--Física de. Dewey Class. No.: 631.42 / S55