Reference for Yevamot 76:16

והא הכא דספק הוא ספק זנאי ספק לא זנאי וקאתי ספק ומוציא מידי ודאי אלא ש"מ שטר העומד לגבות כגבוי דמי

And whence do you derive this?<span class="x" onmousemove="('comment',' That Beth Shammai hold the opinion just attributed to them. ');">²⁹</span> — [From] what we learned: If their husbands<span class="x" onmousemove="('comment',' Of women suspected of illicit intercourse with strangers after they had been warned by their husbands. V. Glos. s.v. sotah. ');">³⁰</span>

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