TY  - BOOK
AU  - Swaine, Dalway J.
TI  - The trace-element content of soils
T2  - Commonwealth Bureau of Soil Science. Technical communication
AV  - S590 C53 no. 48
U1  - 631.4 
PY  - 1955///]
CY  - [Farnham Royal] Eng.
PB  - Commonwealth Agricultural Bureaux
KW  - Trace elements
KW  - Soils
KW  - Analysis
N1  - Bibliography: p. 132-157
ER  -