@conference{804626, author = {B Davies and M Mammen and Kristian Helmerson and Rani Kishore and S Choi and William Phillips and G Whitesides}, title = {Optically Controlled Collisions of Biological Objects, ed. by D.L. Farkas, B.J. Tromberg and R.C. Leif}, year = {1998}, month = {1998-01-01 00:01:00}, publisher = {International Biomed. Opt. Soc. , San Jose, CA, USA}, language = {en}, }