A PHP Error was encountered

Severity: Notice

Message: Only variables should be passed by reference

Filename: gettext/gettext.php

Line Number: 66


%Aigaion2 BibTeX export from 
%Saturday 07 June 2025 06:02:10 PM

@TECHREPORT{,
       author = {Fernández-Madrigal, Juan-Antonio},
        title = {Constructing a Hierarchical Graph Incrementally from a Flat Graph in Order to Perform Optimal, Efficient Path Searching},
         year = {1998},
  institution = {Computer Science Dpt. - University of Texas at Austin (USA) / System Engineering and Automation Dpt. - University of MÃ¡laga (Spain)}
}