Paper need!

I need the articles:
Q.M.Zhang,H.Hu, "Large-signal modeling HBT model", IEEE Trans.Microwave Theory Tech.1996

Thanks in advance!

In addition,I need that follow:
C.J.Wei, J.C.M.Hwang,"Large-signal modeling of self-heating,collector transit-time,and RF-breakdown effects in power HBT's" IEEE Trans.Microwave Theory Tech

in the following your paper.
hope help you.

mems123