Shivapurana 7.2.9.14

Śivapurāṇa (complete text) 7.2.9.14

sudhāmā kaśyapaścaiva vasiṣṭho virajāstathā |
atrirugro guruśreṣṭhaḥ śravano'tha śraviṣṭakaḥ ||