@data{increasing/2018,
author = {Farbmacher, Helmut and Guber, Raphael and Vikström, Johan},
publisher = {ZBW - Leibniz Informationszentrum Wirtschaft},
title = {increasing-the-credibility-of-the-twin-birth-instrument},
year = {2018},
version = {1},
url = {https://jda-test.zbw.eu/dataset/increasing-the-credibility-of-the-twin-birth-instrument} 
}