%0 Journal Article %J Langmuir %D 1999 %T Patterning Thin Films of Poly(ethylene imine) on a Reactive SAM Using Microcontact Printing %A Yan, L. %A Huck, W.T.S. %A Zhao, X-M. %A Whitesides, G. M. %K LA980818M %B Langmuir %V 15 %P 1208-1214 %G eng %L 637 %! Langmuir %F 634