SVidhB, 3, 9, 1.2 kamaṇḍalum udakopasparśanārtham ādāya trīnt saptarātrān anudaka upavasann ṛcaṃ sāma yajāmaha ity etayoḥ pūrvaṃ sadā sahasrakṛtva āvartayan yadi devatāḥ paśyati siddhaṃ tad iti /