Gupta Bipin Kumar, Rathee Vimal, Narayanan Tharangattu N, Thanikaivelan Palanisamy, Saha Avishek, Singh S P, Shanker V, Marti Angel A, Ajayan Pulickel M
National Physical Laboratory (CSIR), Dr. K. S. Krishnan Road, New Delhi 110012, India.
Small. 2011 Jul 4;7(13):1767-73. doi: 10.1002/smll.201100441. Epub 2011 May 17.