TY  - BOOK
AU  - Weber G A
TI  - Bureau of chemistry and soils
T2  - Institute for government research of the brookimg institution, service monographs of the United States government; 52
U1  - J:1:Eh73:1:N3, F8 
PY  - 1928///
KW  -  Soil
KW  - Agriculture
ER  -