00000nam 2200000 4500 INLIS000000000001539 20230731022622 0010-0723000116 ta 230731################e##########0#eng## - 612.6 612.6 BRA w Brass W. World Fertility Survey Conference : Methodology Session No.3 ( Birth History Analysis ) / Brass W. Methodology Session No,3 London : Centre for Population Studies ( School Of Hygiene and Tropical Medicine), 1980 25 hlm : - ; 21 cm were concentrated in contect of technical exposition, demographic measures and review materials, an attempt to summarize these could only give a superficial and indigestible listing. FERTILITY SURVEY