Petermann, Sören Socio-Cultural Diversity, MPI for the Study of Religious and Ethnic Diversity, Max Planck Society;
https://www.mmg.mpg.de/60044/wp-12-16 (Publisher version)
WP_12-16_Molina_Petermann_Herz_Defining-and-measuring-transnational-fields.pdf (Any fulltext), 2MB
Molina, J. L., Petermann, S., & Herz, A. (2012). Defining and measuring transnational fields. MMG Working Paper, (12-16).