@article{Moultrie2012, author = {Moultrie, T.A. and Sayi, T.S. and Timaeus, I.M.}, title= {Birth intervals, postponement, and fertility decline in Africa: a new type of transition?}, year = {2012}, doi = {10.1080/00324728.2012.701660}, journal = {Population Studies }, volume = {66}, number = {3}, pages = {241--258}, }