References

RCūM, 14, 37.2
  rāgaḥ syāt sarvalohānāṃ puṭādhikye na saṃśayaḥ /Context
RPSudh, 4, 32.2
  puṭādhikyaṃ hi lohānāṃ samyak syād guṇakāri ca /Context