\input zb-basic
\input zb-ioport
\iteman{io-port 50313117}
\itemau{Charnes, Chris; Dempwolff, Ulrich}
\itemti{The translation planes of order 49 and their automorphism groups}
\itemso{Math. Comput. 67, No. 223, 1207-1224 (1998).}
\itemcc{}
\itemut{}
\itemli{doi:10.1090/S0025-5718-98-00961-2}
\end