Census of India, 1981 <br/><br/>
Fertility tables. Delhi. V. 28, Pt. 6 A & B 
Census of India, 1981 
 - Delhi  Govt Press           1981 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>Y:5.241sN81, M1.28-6 A&B