REFERENCES
- Chen , L. and Hu , Y. X. 1987 . Chin.J.Microwave Radio-frequency Spectrosc. , 4 : 155
- Zhang , F. Q. , Song , K. G. and Lin , F. T. 1992 . Yaowu Fenxi Zazhi , 12 : 260
- Chowdary , K. P.R. 1991 . Venkateshwara Rao P. Indian Drugs , : 569
- Mathur , S. C. and Kumar , Y. 1992 . Indian Drugs , 29 : 378
- Tan , L. and Li , K. 1994 . Zhongguo Yaokedaxue XueBao , 25 : 328
- Carlucci , G. and Mazzeo , P. 1993 . Anal. Lett. , 26 : 2193
- Squella , J. A. and AlvarezLueje , A. 1993 . Anal.Lett. , 26 : 1943
- Xia , Z. X. and Wan , X. X. 1992 . Zhongguo Yiyuan Yaoxue Zazhi , 12 : 504
- Zhao , B. X. and Wei , T. J. 1995 . Chinese J.Chromatograph , 13 : 99
- Petrovic , S. M. and Acanski , M. J. 1991 . Planar Chromatogr. , 550 : 831