WASET
    Grace Sahaya Sheba and  P. Omegala Priyakumari and  M. Gunasekaran,  Growth and Characterization of L-Asparagine (LAS) Crystal Admixture of Paranitrophenol (PNP):  A NLO Material.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2014, vol. 85(1). 89 - 93
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/9997697.