Sierek, K. Aggregate states of iconic energy: Warburg's concept of image animism / Karl Sierek. Qual o tempo e movimento de uma elipse? : estudos sobre Aby M. Warburg ; [Colóquio Aby M. Warburg].(2012).
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSierek, Karl. "Aggregate States of Iconic Energy: Warburg's Concept of Image Animism / Karl Sierek." Qual O Tempo E Movimento De Uma Elipse? : Estudos Sobre Aby M. Warburg ; [Colóquio Aby M. Warburg].(2012) .
M.L.A (8 ম সংস্করণ) উদ্ধৃতিSierek, Karl. "Aggregate States of Iconic Energy: Warburg's Concept of Image Animism / Karl Sierek." Qual O Tempo E Movimento De Uma Elipse? : Estudos Sobre Aby M. Warburg ; [Colóquio Aby M. Warburg].(2012), .
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