GB, 2, 4, 16, 1.0 atha yad aindrābārhaspatyaṃ brāhmaṇācchaṃsina ukthaṃ bhavatīndraś ca somaṃ pibataṃ bṛhaspate 'smin yajñe mandasānā vṛṣaṇvasū ity ṛcābhyanūktam //