Hitchcock, Robert K. http://orcid.org/0000-0001-8110-0289
Crowell, Aron L.
Brooks, Alison S.
Yellen, John E.
Ebert, James I.
Osborn, Alan J.
Funding for this research was provided by:
National Science Foundation (NSF Soc. 75 02253, Soc. 75 l4227, BCS 1122932, BNS 76-19633)
Brot fur die Welt ((Project No. 2013 0148 G)
Article History
First Online: 14 February 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts of interest.