Non-linear luminescene of polar dimethylaminobenzylidene -1,3- indandione solids.

Kodis, G., Gulbinas, V., Valkunas, L., and Jursenas, S., Non-linear luminescene of polar dimethylaminobenzylidene -1,3- indandione solids., Advance Materials for Optics and Electronics 6: 391-394 1996