Chapter Author(s): Book Author(s)/Editor(s): Zafar H.Zaidi and Sabira NAqvi Chapter 1: Introduction Book Title: High performance liquid chromatogarphy - Karachi Twel publisher 1994 - Page(s) 3-20 Chromatography ISBN: 9698117067 LC Class. No.: QD272.C45.C46 / .Z22 1994