References

RCūM, 5, 7.2
  gharṣaścaiva daśāṅgulastu yadidaṃ khalvākhyayantraṃ smṛtam //Context
RRS, 9, 81.2
  pālyāṃ dvyaṅgulivistaraśca masṛṇo 'tīvārdhacandropamo gharṣo dvādaśakāṅgulaśca tadayaṃ khallo mataḥ siddhaye //Context