Gómez-Jeria J, Campos-Vallette M, Carrasco-Flores E, Gutiérrez V. S. RAMAN AND X-RAY FLUORESCENCE TO IDENTIFY COLORS OF THE GERMAN HYPERINFLATION STAMPS OF THE 1923 COLLECTION. JCCHEMS [Internet]. 2019Dec.17 [cited 2024Apr.28];64(4):4622-6. Available from: https://www.jcchems.com/index.php/JCCHEMS/article/view/1341