TY  - BOOK
AU  - R L MITCHELL
TI  - THE SPECTROGRAPHIC OF SOILS, PLANTS AND RELATED MATERIALS
U1  - TX631.41M495S 
PY  - 1956///
CY  - NORWICH
PB  - COMMONWEALTH AGRICULTURAL BUREAUX
KW  - THE SPECTROGRAPHIC OF SOILS, PLANTS AND RELATED MATERIALS
ER  -