TY  - BOOK
AU  - "Jackson, M. L."
TI  - Soil Chemical Analysis -Advanced Course
U1  - 631.42   J6 
PY  - 0000///"Madeson, Wisconsin"
CY  - 1956
PB  - "M.L.Jackson, Dept.o Soil Sci.Univ. of Wisconsin"
ER  -