@article{CELLO:1988xbx, author = "Behrend, H. J. and others", collaboration = "CELLO", title = "{The $K^0_S K^0_S$ Final State in $\gamma \gamma$ Interactions}", reportNumber = "DESY-88-193", doi = "10.1007/BF02430613", journal = "Z. Phys. C", volume = "43", pages = "91", year = "1989" }