帮忙查找下面两篇文献
1 题目A review of Wilkie's stochastic asset model
作者PP Huber - British Actuarial Journal, 1997 - Cambridge Univ Press（剑桥期刊）
2 题目Environmental quality and pollution-augmenting technological change in a two-sector endogenous growth model
作者A Lans Bovenberg, S Smulders - Journal of Public Economics, 1995 - Elsevier