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title = {{High-redshift Fanaroff-Riley type {II} radio sources: large-scale X-ray environment}},  journal = {Monthly Notices of the Royal Astronomical Society},  }  @article{Singal_2014,  doi = {10.1007/s10509-014-2011-y},  url = {http://dx.doi.org/10.1007/s10509-014-2011-y},  year = {2014},  month = {jun},  publisher = {Springer Science $\mathplus$ Business Media},  volume = {353},  number = {1},  pages = {233--240},  author = {Ashok K. Singal and Kamlesh Rajpurohit},  title = {{Dependence of Fanaroff{\textendash}Riley break of radio galaxies on luminosity and redshift}},  journal = {Astrophys Space Sci},  }