河北坝上地区及浑善达克沙地植被演化及其与风沙活动关系
何钢, 刘鸿雁
Vegetation Development and Aeolian Activities in Bashang Area of Hebei Province and Otindag Sandy Land of Inner Mongolia
HE Gang,LIU Hongyan
北京大学学报(自然科学版) . 2004, (4): 669 -675 .