1. HPLC Column theory ,technology,and practice ;{wiley-vch ,1997,new york} by Uwe D. Neue Hardcover, July 1997 http://www.amazon.com/HPLC-Columns-Theory-Technology-Practice/dp/0471190373 http://astore.amazon.com/chemistry-20/detail/0471190373 http://as.wiley.com/WileyCDA/WileyTitle/productCd-0471190373.html http://www.amazon.com/HPLC-Columns-Theory-Technology-Practice/dp/0471190373 谢谢好人,帮我个忙呀,一定重谢谢。