Musaddad said: Abu 'Awanah used the word firsah (i.e. a piece of cloth), but Abu Al-Ahwas used the word qasrah (i.e. a small piece of cloth).
In-book : Book 1, Hadith 315
English translation : Book 1, Hadith 315
1. Purification (Kitab Al-Taharah)
باب مَا جَاءَ فِي وَقْتِ النُّفَسَاءِ