@article{Dryzek:2009,
author
=
"J.Dryzek and E.Dryzek",
title
=
"Subsurface zone studies in the AK 12 alloy and metal matrix composite AK 12 with Al2O3 using positron annihilation spectroscopy",
journal
=
"Wear",
volume
=
"Vol. 261",
number
=
"no 5-6",
pages
=
"549--555",
year
=
"2006",
}