Shukla, Anshuman and Mukherjee, Sourav and Sharma, Swati and Agrawal, Vishal and Radha Kishan, K V and Guptasarma, Purnananda  (2004) A novel UV laser-induced visible blue radiation from protein crystals and aggregates: scattering artifacts or fluorescence transitions of peptide electrons delocalized through hydrogen bonding?  Archives of biochemistry and biophysics, 428 (2).  pp. 144-53.  ISSN 0003-9861