Email this Article Past Issues | Current Issue Complete this form to e-mail a link to this article to a friend or colleague. Research on the Primary Productive Force and Model of the Shuanglong Lake LIU Ya li,ZHANG Zhi and DUAN Xiu ju.Research on the Primary Productive Force and Model of the Shuanglong Lake[J].Journal of Civil, Architectural & Environmental Engineering,2008,(2):124-127 E-mail to: (to whom you're sending this) Your e-mail address: Your name: Your comments to add to the e-mail: I thought you would find this article interesting. Verification code:

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