Kāśikāvṛtti zu Aṣṭādhyāyī, 1, 1, 3.1, 1.14 guṇavṛddhī svasaṃjñayā vidhīyete tatra ikaḥ iti etadupasthitaṃ draṣṭavyam /

BhāgPur, 11, 21, 3.1 śuddhyaśuddhī vidhīyete samāneṣv api vastuṣu /

BhāgPur, 11, 21, 7.2 guṇadoṣau vidhīyete niyamārthaṃ hi karmaṇām //