books.google.ca - Originally published in 1970, The Urban Revolution marked Henri Lefebvre's first sustained critique of urban society, a work in which he pioneered the use of semiotic, structuralist, and poststructuralist methodologies in analyzing the development of the urban environment. Although it is widely considered...http://books.google.ca/books/about/The_Urban_Revolution.html?id=la5tkZyzI-MC&q=contradictions&utm_source=gb-gplus-shareThe Urban Revolution