1. The illustrated wavelet transform handbook: Introductory theory and applications in science engineering, medicine and finance;Addison,2002
2. Oil and the macroeconomy: Using wavelets to analyze old issues;Aguiar-Conraria;Empirical Economics,2011
3. Using wavelets to decompose the time–frequency effects of monetary policy;Aguiar-Conraria;Physica A: Statistical mechanics and its Applications,2008
4. The impact of positive and negative macroeconomic news surprises: Gold versus Bitcoin;Al-Khazali;Economics Bulletin,2018
5. When times get tough, gold is golden;Areal;European Journal of Finance,2015