References

RPSudh, 3, 27.2
  dṛḍhatarāmupakalpaya parpaṭīṃ vasanabaddhakṛtāmapi poṭalīm //Context
RPSudh, 4, 90.1
  khalve dṛḍhataraṃ piṣṭvā kācakūpyāṃ niveśayet /Context
ŚdhSaṃh, 2, 12, 11.1
  adhaḥ sthālīṃ tato mudrāṃ dadyāddṛḍhatarāṃ budhaḥ /Context