@article{article19999eaf,
title   = {Mesoionic compounds . Part 2. Crystal structure of 5-propyl-2-morpholin-1,3-dithiolium-4-thiolate},
author = {Cheung, K K and Galembeck, S E and Miller, J and Oliveira, M. B and Pereira, Arnaldo Bueno and Simas, A M},
year = {1992},
journal   = {Acta Crystallographica}
}