Su, Utt., 64, 65.2 tatrābhaktaṃ prāgbhaktamadhobhaktaṃ madhyebhaktam antarābhaktaṃ sabhaktaṃ sāmudgaṃ muhurmuhurgrāsaṃ grāsāntaraṃ ceti daśauṣadhakālāḥ //