Shiva Purana
अथ गां सुरभिं शक्र आहूयाशु ह्यलेहयत् ॥ अस्त्रनिर्मितये त्वाष्ट्रं निदि देश तदस्थिभिः ॥ २७ ॥
Indra then called the divine cow Surabhi to lick up the marrow etc. He directed Viśvakarman to make the weapon with the bones.
english translation
atha gAM surabhiM zakra AhUyAzu hyalehayat ॥ astranirmitaye tvASTraM nidi deza tadasthibhiH ॥ 27 ॥
hk transliteration by Sanscript