@article{article9f303ae0, title = {Searching high-redshift large-scale strucutres: photometry of four fields around quasar pairs at z'DA ORDEM DE'1}, author = {Boris, N. V and Sodré Júnior, Laerte and Cypriano, E.S and Santos, W. A and Oliveira, Claudia Lucia Mendes de and West, M}, year = {2007}, journal = {The Astrophysical Journal} }