LANE, Jan-Erik. VOLATILITY AND WESTERN EUROPEAN PARTY SYSTEMS: TWO NEW APPROACHES. Baltic Journal of Political Science, [S. l.], n. 4, p. 7–22, 2015. DOI: 10.15388/BJPS.2015.0.8877. Disponível em: https://www.zurnalai.vu.lt/BJPS/article/view/8877. Acesso em: 27 jun. 2025.