AVPr, 1, 3, 7.0 atha yatraivāvaskannaṃ bhavati taṃ deśam abhivimṛjya vimṛgvarīṃ pṛthivīm āvadāmīti prāṅmukhopaviśyāgnir bhūmyām iti tisṛbhir ālabhyābhimantrayeta //