?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Alvarez%2C+Jesus&rft.aufirst=Jesus&rft.aulast=Alvarez&rft.degree=Pre-master&rft.title=Modelling+the+fertility+transition%3A+Incorporating+the+effects+of+mortality+on+fertility&rft.date=2016