References

RRÅ, V.kh., 18, 106.0
  vajrabījamidaṃ khyātaṃ jāraṇe paramaṃ hitam //Context
RRÅ, V.kh., 18, 115.1
  vajrabījena tulyena prathamā sāraṇā bhavet /Context
RRÅ, V.kh., 18, 163.1
  athavā vajrabījaṃ ca pūrvakalkena lepitam /Context