\input zb-basic
\input zb-ioport
\iteman{io-port 50029562}
\itemau{Campos, Victor; Sales, Cl\'audia Linhares; Maffray, Fr\'ed\'eric; Silva, Ana}
\itemti{B-chromatic number of cacti}
\itemso{Electronic Notes in Discrete Mathematics 35, 281-286 (2009).}
\itemcc{}
\itemut{}
\itemli{doi:10.1016/j.endm.2009.11.046}
\end