R. Stckle, Y. Suh, V. Deckert and R. Zenobi, “Nanoscale Chemical Analysis by Tip-Enhanced Raman Spectroscopy,” Chemical Physics Letters, Vol. 318, No. 1-3, 2000, pp. 131-136. doi10.1016/S0009-2614(99)01451-7 - References - Scientific Research Publishing