Rasakaumudi (Shrikantha Dikshita) 2.23

Rasakaumudī (Śrīkaṇtha Dīkṣita) 2.23

adhyāye prathame tatra cakrāṇi nādasa‌mbhavaḥ
sthānāni śrutayaḥ śuddhāḥ svarāḥ sapta vikārajāḥ