References

RRÅ, V.kh., 20, 67.1
  ityevaṃ saptadhā kuryāllepatāpaniṣecanam /Context
RRÅ, V.kh., 3, 31.1
  secanāntaṃ punaḥ kuryādekaviṃśativārakam /Context
RRÅ, V.kh., 6, 16.1
  secanaṃ drāvaṇaṃ caiva saptavārāṇi kārayet /Context