Riemannian geometry of contact and symplectic manifolds // 
David E. Blair. 
 - 2nd ed. 
 - New York, NY ::  Birkhäuser,  c2010. 
 - xv, 343 p. : 
<br/><br/><label>ISBN: </label>9780817649586 (acid-free paper) 
<br/><br/><label>Dewey Class. No.: </label>516.373  / DAV/R