References

RHT, 6, 10.1
  nādau kartuṃ śakyo'tra grāsapramāṇaniyamastu /Context
RKDh, 1, 2, 26.4
  lohakarmaṇi bhāvanāyāṃ niyamo nāsti mardanasyaiva bhasmasaṃpādakatvāt /Context