THE EFFECTS OF THE SHELTER BELTS IN THE SAND DUNE AREA, WESTERN HOPEI
YUAN CHIA-TZU . THE EFFECTS OF THE SHELTER BELTS IN THE SAND DUNE AREA, WESTERN HOPEI[J]. Acta Geographica Sinica, 1955 , 21(4) : 393 -403 . DOI: 10.11821/xb195504005
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