Hafner, Jason H.Cheung, Chin LiLieber, Charles2009-03-241999Hafner, Jason H., Chin Li Cheung, and Charles M. Lieber. 1999. Growth of nanotubes for probe microscopy tips. Nature 398: 761-762.0028-08360302-2889http://nrs.harvard.edu/urn-3:HUL.InstRepos:2710478en-US10.1038/19658