Mitchell, R. L.
The spectographic analysis of soils, plants and related materials / R. L. Mitchell. - Harpenden, Eng. : Commonwealth Bureau of Soil Science, 1948. - iv, 183 p. : ill., charts; 24 cm. - Commonwealth Bureau of Soil Science : Technical communication; 44. .
Bibliography p. : 144-171
Soils--Analysis.
631.4 / MIS
The spectographic analysis of soils, plants and related materials / R. L. Mitchell. - Harpenden, Eng. : Commonwealth Bureau of Soil Science, 1948. - iv, 183 p. : ill., charts; 24 cm. - Commonwealth Bureau of Soil Science : Technical communication; 44. .
Bibliography p. : 144-171
Soils--Analysis.
631.4 / MIS