TY - BOOK ID - 138795359 TI - Earth : the stuff of life. AU - Bear, Firman E. AU - Akin, Wallace E. AU - Pritchard, H. Wayne PY - 1986 SN - 0806120029 PB - Norman University of Oklahoma press DB - UniCat KW - Soil conservation KW - Soil conservation KW - Soils KW - Soils UR - https://www.unicat.be/uniCat?func=search&query=sysid:138795359 AB - ER -