00674pam a2200229 i 45000010008000000030008000080050017000160080041000330100017000740200015000910400027001060500021001330820020001541000031001742450075002052500012002802600051002923000035003435000020003785040030003986500016004281354832BD-DhUL20150219201727.0800804s1981    caua     b    001 0 eng    a   80021094   a0534009212  aDLCcDLCdDLCdBD-DhUL00aHB871b.W43 198100a301.32219bWEP1 aWeeks, John Robert,d1944-10aPopulation :ban introduction to concepts and issues /cJohn R. Weeks.  a2nd ed.  aBelmont, Calif. :bWadsworth Pub. Co.,cc1981.  axxii, 425 p. :bill. ;c24 cm.  aIncludes index.  aBibliography: p. 387-413. 0aPopulation.