TY - BOOK ID - 138380152 TI - Introduction to microbiotic crusts AU - Johnston, Roxanna AU - Soil Quality Institute (U.S.) AU - Grazing Lands Technology Institute (U.S.) PY - 1997 PB - Washington, D.C. : United States Department of Agriculture, Natural Resources Conservation Service, Soil Quality Institute, Grazing Lands Technology Institute, DB - UniCat KW - Crust vegetation KW - Soil crusting KW - Soil microbiology KW - Soil ecology KW - United States, West. UR - https://www.unicat.be/uniCat?func=search&query=sysid:138380152 AB - ER -