TY  - GEN
AU  - Mitchell, R.L
TI  - The spectrochemical analysis of soils, plants and related materials
T2  - Technical communication No. 44A
SN  - NULL
U1  - 631.41 
PY  - 1948///
CY  - Bucks
PB  - CAB
KW  - Soil science
ER  -