?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Lutz%2C+W.&rft.aulast=Lutz&rft.aufirst=W.&rft.date=1996&rft.isbn=1853833495&rft.title=Alternative+approaches+to+population+projection&rft.btitle=The+Future+Population+of+the+World%3A+What+Can+We+Assume+Today%3F&rft.tpages=500&rft.genre=bookitem