@InCollection{Asienkiewicz:2011,
author
=
"R.Asienkiewicz and A.Ślusarczyk",
title
=
"Environmental conditioning of birth weight and length (based on the example of the district of Sulęcin)",
pages
=
"25--45",
year
=
"2011",
booktitle
=
"Conditions for Biological and Motor Development in Various Periods of Ontogenesis ISBN: 9788374814188",
editor
=
"Edited by Józef Tatarczuk",
publisher
=
"University of Zielona Góra Press",
address
=
"Zielona Góra",
}