Barium in soils
Failyer, G.H.
Barium in soils - Washington 1910 - 1-23 p. - Soils United States Department of Agriculture, Bureau of Soils. Bulletin No. 72 .
Barium in soils - Washington 1910 - 1-23 p. - Soils United States Department of Agriculture, Bureau of Soils. Bulletin No. 72 .