@ARTICLE{
author={Sciriha I,Gutman Ivan},
year={2006},
title={Minimal configuration trees},
journal={LINEAR & MULTILINEAR ALGEBRA},
volume={54},
number={2},
pages={141-145},
document_type={Article},
} 

@ARTICLE{
author={Fiorini S,Gutman Ivan,Sciriha I},
year={2005},
title={Trees with maximum nullity},
journal={LINEAR ALGEBRA AND ITS APPLICATIONS},
volume={397},
number={},
pages={245-251},
document_type={Article},
} 

@ARTICLE{
author={Gutman Ivan,Sciriha I},
year={2001},
title={On the nullity of line graphs of trees},
journal={DISCRETE MATHEMATICS},
volume={232},
number={1-3},
pages={35-45},
document_type={Article},
}