The Collection of birth and death data  POPLAB approaches / 
by Jeremiah M. Sullivan ... [et al.] 
 - Chapel Hill, N.C. :  University of North Carolina,  1981 
 - 23 p. :  ill. ;  26 cm. 
 - Scientific report series;  34 .
<br/><br/>Bibliography: p.19-23 
<br/><br/><label>ISBN: </label>0893830739 
<br/><br/><label>LCCN: </label>81-6274 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Demographic surveys<br/>Fertility, Human--Statistical methods<br/>Mortality--Statistical methods<br/>Underdeveloped areas--Statistics, Vital