Text this: Group theory : application to the physics of condensed matter

   _____   __   __   _    _    _    _    __   __  
  / ___//  \ \\/ // | \  / || | || | ||  \ \\/ // 
  \___ \\   \ ` //  |  \/  || | || | ||   \   //  
  /    //    | ||   | .  . || | \\_/ ||   / . \\  
 /____//     |_||   |_|\/|_||  \____//   /_//\_\\ 
`-----`      `-`'   `-`  `-`    `---`    `-`  --`