Wu.Colin O  Xin Tian <br/><br/>
Nonparametric models for longitudinal data: With implementation in R 

 - Boca Raton  CRC Press  2018 
<br/><br/><label>ISBN: </label>9781466516007 
<br/><br/><label>Dewey Class. No.: </label>519.54  / WU.N