Sahih al-Bukhari, Book 35, Hadith 2 (In-Book) ⓘ
Narrated Ibn Abi Najih: as above, mentioning only specific measure.
حَدَّثَنَا مُحَمَّدٌ، أَخْبَرَنَا إِسْمَاعِيلُ، عَنِ ابْنِ أَبِي نَجِيحٍ، بِهَذَا " فِي كَيْلٍ مَعْلُومٍ وَوَزْنٍ مَعْلُومٍ " .
also referenced under: Hadith 2239 (DarusSalam) & Volume 3, Book 35, Hadith 442 (USC-MSA)