TY  - BOOK
AU  -  Swaine,D.J.
TI  -  The Trace-element content of soils / 
U1  -  631.41 
PY  - 1969///
CY  -  England : 
PB  -  Commonwealth Agricultural Bureaux, 
KW  -  Soils
KW  -  Trace element content
N1  -  Includes bibliographical references (P.132-157)
ER  -