Robuta

https://oag.ca.gov/prop65/60-Day-Notice-1998-00598 60 Day Notice 1998-00598 | State of California - Department of Justice - Office of the Attorney... state of california https://arxiv.org/abs/1510.00598 [1510.00598] On independent set on B1-EPG graphs Abstract page for arXiv paper 1510.00598: On independent set on B1-EPG graphs independent set epg graphs