 Complete the following phrase:  In 1991, he wrote a paper, with other historians R.S. Sharma, Suraj Bhan, and Athar Ali, making a case that there was no evidence to prove that the Babri Masjid, a mosque in Ayodhya, was built over a temple at the same site. The findings were documented in Ramjanmabhoomi-Baburi Masjid: A Historians Report to the Nation 1991 which he co-wrote with The mosque was 