Wednesday, October 7, 2009

Ion-selective electrodes

Ion-selective electrodes [Sound recording] / Arthur Covington.
Publisher: London : Educational Techniques Subject Group, The Royal Society of Chemistry, 1981.

Tuesday, March 25, 2008

physics lecture classes from harvard- see small url attached

http://www.learnerstv.com/video/video.php?video=267&cat=
Physics

Friday, March 21, 2008

chembai

http://www.4shared.com/file/20185358/aec72f7