TY - BOOK ID - 136552325 TI - Elemental composition of corn grains, soybean seeds, pasture grasses, and associated soils from selected areas in Missouri AU - Erdman, James A. AU - Shacklette, Hansford T. AU - Keith, John R. PY - 1976 PB - Washington U. S. Geological Survey DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:136552325 AB - ER -