%0 Journal Article %A %D 2015 %J International Journal of Chemistry and Materials Research %@ 2311-763X %V 3 %N 1 %P 11-16 %T Hardness Studies on Solution Grown Lithium Potassium Sulphate Single Crystals – An Inorganic Nonlinear Optical Material %M 10.18488/journal.64/2015.3.1/64.1.11.16 %U http://www.pakinsight.com/archive/64/01-2015/1