The tradition of such guhya or secretive Bhairava is an oral custom that is constant from the guru disciple custom. Their karmakand rituals and methods are magic formula, they aren't prepared down but only learnt and practiced in Expert disciple tradition. While in the Kala Bhairav Ashtakam by Adi Shankracharya, https://vashikaran10751.iyublog.com/29380122/rumored-buzz-on-bhairav