Genetic improvement of field crops . 
Singh C.B , Khare Dhirendra  
 - India ;  Scientific Publishers ,  2002. 
 - viii,336 p. ;  ill. 
<br/><br/><label>ISBN: </label>8172333013 
<br/><br/><label>LC Class. No.: </label>SB185.7  / .G46 2002