TY - JOUR A1 - Jöns, H. T1 - Transnational mobility and the spaces of knowledge production: a comparison of global patterns, motivations and collaborations in different academic fields JO - Soc. Geogr. J1 - SG VL - 2 IS - 2 SP - 97 EP - 114 Y1 - 2007/11/14 PB - Copernicus Publications SN - 1729-4312 UR - http://www.soc-geogr.net/2/97/2007/ L1 - http://www.soc-geogr.net/2/97/2007/sg-2-97-2007.pdf DO - 10.5194/sg-2-97-2007 ER -