N, T. .. F. a. e. (1991). Polymethine dyes structure and properties: Dedicated to Walter Konig, 1878-1964. St. Kliment Ohridski University press.
Чикаго маягийн жагсаалтN, Tyutyulkov .J. Fabian and etc.. Polymethine Dyes Structure and Properties: Dedicated to Walter Konig, 1878-1964. Sofia: St. Kliment Ohridski University press, 1991.
MLA ишлэлN, Tyutyulkov .J. Fabian and etc.. Polymethine Dyes Structure and Properties: Dedicated to Walter Konig, 1878-1964. St. Kliment Ohridski University press, 1991.
Warning: These citations may not always be 100% accurate.