https://hmr.biomedcentral.com/articles/10.1007/BF01609134
https://hmr.biomedcentral.com/articles/10.1007/BF01609133
https://hmr.biomedcentral.com/articles/10.1007/BF01609132
https://hmr.biomedcentral.com/articles/10.1007/BF01609131
https://hmr.biomedcentral.com/articles/10.1007/BF01609135