Coventry, R. J. A pipette and sieve method of particle size analysis and some observations on its efficacy - Melbourne : CSIRO, 1979 - 26 p. : ilus. ; gráfs. - Division of soils divisional report ; 38 . - Division of soils : Divisional report ; 38 . LCCN: 31255 Subjects--Topical Terms: Suelos--Análisis.