本人写论文关于均衡实际汇率的，由于要涉及到参考原文的外文文献，经过多次的努力没有找到!

需要哪位高人能帮我找找

多谢了

（1）
  Clark , Peter B. , and MacDonald , Ronald , 1998 ,“Exchange Rates and Economic Fundamentals : A Methodological Comparison of BEERs and
FEERs. ”International Monetary Fund Working Paper No:98/67. Washington , DC ,IMF.May

（2）
Williamson , J . , 1994 ,“Estimates of FEERS”, In Williamson , J . (ed. ) , Estimating Equilibrium Exchange Rates. Washington D. C. :Institute of International Economics.