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In page Renate Wagner-Rieger:

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Wagner-Rieger paid particular attention to previously neglected and partially devalued era of Historicism in architecture (the breakdown in romantic historicism, strict historicism and late historicism stems from it) and important contributions towards the study of Gründerzeit. In 1968 she initiated the large-scale research project called "Wiener Ringstraße", also known as "The Ringstraße: Image of an Era: the expansion of the inner city of Vienna under Emperor Franz Joseph" which studied the ring road in the historic center of Vienna.[citation needed]