@article{Grzybowska:2009,
author
=
"M.Grzybowska and A.Bydałek",
title
=
"The optimization of costs and the carbon content in cast iron",
journal
=
"Archives of Foundry Engineering",
volume
=
"Vol. 7",
number
=
"iss. 3",
pages
=
"53--56",
year
=
"2007",
}