Key points are not available for this paper at this time.
Article Crystal structure of bis(2-naphthylmethylammonium) lead tetrachloride, (C11H9NH3)2PbCl4 was published on September 1, 1999 in the journal Zeitschrift für Kristallographie - New Crystal Structures (volume 214, issue 3).
Braun et al. (Wed,) studied this question.