Jan Wouters, Noemi Rosario-Chirinos (1992). "Dye Analysis of Pre-Columbian Peruvian Textiles with High-Performance Liquid Chromatography and Diode-Array Detection". Journal of the American Institute for Conservation. The American Institute for Conservation of Historic &. ج. 31 ع. 2: 237–255. DOI:10.2307/3179495. JSTOR:3179495.
Jan Wouters, Noemi Rosario-Chirinos (1992). "Dye Analysis of Pre-Columbian Peruvian Textiles with High-Performance Liquid Chromatography and Diode-Array Detection". Journal of the American Institute for Conservation. The American Institute for Conservation of Historic &. ج. 31 ع. 2: 237–255. DOI:10.2307/3179495. JSTOR:3179495.