@article{ref1,
title="Geographic features and analysis of daily labor migration in Bulgaria",
journal="Naselenie",
year="1992",
author="Dimitrov, E.",
volume="",
number="6",
pages="22-33",
abstract="The author examines geographical variations in daily commuting in Bulgaria from before World War II to the present. (SUMMARY IN ENG AND RUS)<p /><p>Language: bg</p>",
language="bg",
issn="0205-0617",
doi="",
url="http://dx.doi.org/"
}