@inbook{4311, author = {Barton, Nicholas H and Clark, A.}, booktitle = {Population biology: Ecological and evolutionary viewpoints}, editor = {Wöhrmann, Klaus and Jain, Subodh}, isbn = { 978-3642744761}, pages = {115 -- 174}, publisher = {Springer}, title = {{Population structure and processes in evolution}}, doi = {10.1007/978-3-642-74474-7_5}, year = {1990}, }