@article{ZR_2009_13_21_a0,
     author = {Drago\v{s} Cvetkovi\'c and Ivan Gutman},
     title = {Preface},
     journal = {Zbornik radova},
     pages = {3 },
     publisher = {mathdoc},
     volume = {13},
     number = {21},
     year = {2009},
     url = {http://geodesic.mathdoc.fr/item/ZR_2009_13_21_a0/}
}
TY  - JOUR
AU  - Dragoš Cvetković
AU  - Ivan Gutman
TI  - Preface
JO  - Zbornik radova
PY  - 2009
SP  - 3 
VL  - 13
IS  - 21
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZR_2009_13_21_a0/
ID  - ZR_2009_13_21_a0
ER  - 
%0 Journal Article
%A Dragoš Cvetković
%A Ivan Gutman
%T Preface
%J Zbornik radova
%D 2009
%P 3 
%V 13
%N 21
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZR_2009_13_21_a0/
%F ZR_2009_13_21_a0
Dragoš Cvetković; Ivan Gutman. Preface. Zbornik radova, Tome 13 (2009) no. 21, p. 3 . http://geodesic.mathdoc.fr/item/ZR_2009_13_21_a0/