References

RAdhy, 1, 12.1
  athādhyāyaṃ samāyātaṃ śrīkaṅkālayayoginaḥ /Context
RHT, 18, 36.1
  tāvatkāryaḥ puṭayogo yāvad dṛḍhatāṃ samāyāti /Context