@articleQian_Luo_Xi-Hao_Ling-An_2010, title=High-order ghost imaging with                    N                    -colour thermal light, DOI=10.1088/1674-1056/19/9/094211, number=094211, journal=Chinese Physics B, author=Qian, Liu and Luo, Kai Hong and Xi-Hao, Chen and Ling-An, Wu, year=2010