Spatial autocorrelation analysis of the small-scale distribution of
Oncomelania hupensis |in marshland |and |lake regions 
张志杰1|彭文祥1|周艺彪1|庄建林1|姜庆五1*|陈更新2|崔道永2
Chinese Journal of Schistosomiasis Control . 2007, (6): 418 -423 .