His system of alliterative verse is based on accent , alliteration , the quantity of vowels , and patterns of syllabic accentuation .
The first widely accepted theory was constructed by Eduard Sievers ( 1893 ) , who distinguished five distinct alliterative patterns .
Eduard Sievers ' system of alliterative verse is based on accent , alliteration , the quantity of vowels , and patterns of syllabic accentuation .
The first widely accepted theory was constructed by Eduard Sievers ( 1893 ) , who distinguished five distinct alliterative patterns .