REZA DARAFSHEH, MOHAMMAD, ALI REZA ASHRAFI, and ARASH DARAFSHEH. 2010. “Full Non-Rigid Group of 1,3,5-Trimethyl-2,4,6-Trinitrobenzene Using Wreath Product”. Asian Journal of Chemistry 21 (5):3631-36. https://asianpubs.org/index.php/ajchem/article/view/17340.