References

RCūM, 12, 23.2
  vyatyāsānnaiva phaladaṃ puṃvajreṇa vinā kvacit //Context
RPSudh, 7, 25.2
  vyatyāsādvai naiva dattaṃ phalaṃ taddadyād vajraṃ vā vinā tatpumāṃsam //Context
RRS, 4, 30.2
  vyatyāsānnaiva phaladaṃ puṃvajreṇa vinā kvacit //Context