GarPur, 1, 37, 10.1 iti śrīgāruḍe mahāpurāṇe pūrvakhaṇḍe prathamāṃśākhye ācārakāṇḍe gāyatrīkalpanirūpaṇaṃ nāma saptatriṃśo 'dhyāyaḥ //