谁能提供以下文章？

1. Partial barrier options
Heynan R.C. and Kat, H.M., The Journal of Financial Engineering, 1994, 3, 253-274.

2. Discrete partial barrier options with a moving barrier
Heynan R.C. and Kat, H.M., The Journal of Fianncial Engineering, 1996, 5, 199-209

谢谢。