ĀpŚS, 7, 28, 4.2 yūpo vai yajñasya duriṣṭam āmuñcate /

ĀpŚS, 7, 28, 4.3 yad yūpam upaspṛśed duriṣṭaṃ yajñasyāmuñcet tam abhimantrayeta vāyav eṣa te vāyav ity ekam /