Describir: Contribution a une sociologie des centres urbains :

             ___     _____       ___                _____    _____    
  ____      / _ \\  |  __ \\    / _ \\      ___    |  ___|| |  __ \\  
 |    \\   / //\ \\ | |  \ ||  | / \ ||    /   ||  | ||__   | |  \ || 
 | [] ||  |  ___  ||| |__/ ||  | \_/ ||   | [] ||  | ||__   | |__/ || 
 |  __//  |_||  |_|||_____//    \___//     \__ ||  |_____|| |_____//  
 |_|`-`   `-`   `-`  -----`     `---`       -|_||  `-----`   -----`   
 `-`                                         `-`                      
 _    _   
| || | || 
| || | || 
| \\_/ || 
 \____//  
  `---`