Date: Wed, 21 Jan 2009 17:34:53 +0530 From: G. K. Sachdeva Dear Professional, If any one have this article in hardcopy or Softcopy please send. It is very urgent needed for one our Professors: Non-linear least-squares fitting with excel solver and related routines in HPLC modelling of retention II. Considerations of selection of optimal fit Journal: *Chromatographia* Publisher: *Vieweg Verlag* Issue: *Volume 52, Numbers 7-8 / October, 2000* Pages: *487-493* *With Regards*, *Gulshan Kr. Sachdeva* *Assistant Librarian* *Pearl** **School** of Business* *46, Institutional Area, Sector 32* *Gurgaon 122001* *Gksachdeva30@gmail.com* *Gulshan.sachdeva@psbg.in* *0124-4217547*