TY - BOOK ID - 138865182 TI - Land use/land cover and environmental photointerpretation keys AU - Loelkes, George L. AU - Howard, Gordon E. AU - Schwertz, Eddie L. AU - Miller, Stephan W. PY - 1983 PB - Washington (D.C.): US. Government printing office DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:138865182 AB - ER -