Singh, Vivek K., Pradeep K. Rai, Ashok K. Pathak, Durgesh K. Tripathi, Subhash C. Singh, Jagdish P. Singh. Application of Wavelength-Dispersive X-Ray Fluorescence Spectrometry to Biological Samples. Spectroscopy 32/7 (1 July 2017): 41–47.

Singh, Vivek K., Pradeep K. Rai, Ashok K. Pathak, Durgesh K. Tripathi, Subhash C. Singh, Jagdish P. Singh. Application of Wavelength-Dispersive X-Ray Fluorescence Spectrometry to Biological Samples. Spectroscopy 32/7 (1 July 2017): 41–47.