Rasendracintamani 3.74

Rasendracintāmaṇi 3.74

pañcakṣārais tathā mūtrair lavaṇaṃ ca viḍaṃ tathā /
haṃsapākaṃ samākhyātaṃ yantraṃ tadvārttikottamaiḥ //