TY  - BOOK
AU  - Symposium on Soil Testing. Sampling Correlation, Cablibration and Interpretation. Madison Soil Science Society of America, Dec.1-5,1987.
TI  - Soil testing: Sampling, Correlation, Calibration and Interpretation ; proceedings
T2  - SSSA Special Publication no.21
U1  - 631.42' 05' 47 1/5.10.1987 (082.2) M7 
PY  - 1987///
CY  - Madison
PB  - Soil Science Society of America Inc.
KW  -  J.R.Brown
KW  - Brown, J.R., ed.
KW  - Soil testing,Soil fertility,Sampling(Statistics)
ER  -