TY - GEN AU - United Nations Environment Programme A4 - Babayev, A.G. PY - 1986 UR - https://wedocs.unep.org/handle/20.500.11822/30359 LA - English KW - sandy soil KW - desertification KW - land TI - Principles and Methods of Shifting Sands Fixation M3 - Communication or other resource ER -