JB, 1, 202, 8.0 yady abhicaraṇīyaḥ somaḥ syāddhiraṇmayaṃ vajraṃ bhṛṣṭimantaṃ kṛtvā yo ya eva karma kuryāt tasmai tasmā upapravartayet //

ṚV, 1, 52, 15.2 vṛtrasya yad bhṛṣṭimatā vadhena ni tvam indra praty ānaṃ jaghantha //