http://dx.doi.org/10.1007/s10980-009-9444-7 | | | | DOI Link |
https://link.springer.com/article/10.1007%2Fs10980[...] | 10/06/2017 | | Item is within a limited-access website | |
https://link.springer.com/content/pdf/10.1007%2Fs1[...] | 10/06/2017 | PDF Reader | Item is within a limited-access website | |