EN中文
A Purposive Sampling Design Method Based on Typical Points and Its Application in Soil Mapping
YANG Lin1, ZHU A-Xing1, QIN Chengzhi1, LI Baolin1, PEI Tao1, QIU Weili2, XU Zhig
PROGRESS IN GEOGRAPHY . 2010, (3): 279 -286 .  DOI: 10.11820/dlkxjz.2010.03.004