Indo-European 'five'

[11] BERGER H, 1986, MSS, V47, P23

[12] Billy, 1993, THESAURUS LINGUAE GA

[13] BOMHARD A, 1984, PROTONOSTRATIC NEW A

[14] BONHARD AR, 1994, NOSTRATIC MACROFAMIL

[15] BOSSERT HT, 1950, ARCH ORIENTALNI, V18, P123

[16] BRAUNE W, 1891, ALTHOCHDTSCH GRAMMAT

[17] Brugmann Karl, 1892, GRUNDRISS VERGLEICHE

[18] Buck Carl D., 1905, ELEMENTARBUCH OSKISC

[19] Coleman Robert, 1992, Indo-European Numerals, P389

[20] COMRIE B, 1992, IEN, P717

[11] BERGER H, 1986, MSS, V47, P23

[12] Billy, 1993, THESAURUS LINGUAE GA

[13] BOMHARD A, 1984, PROTONOSTRATIC NEW A

[14] BONHARD AR, 1994, NOSTRATIC MACROFAMIL

[15] BOSSERT HT, 1950, ARCH ORIENTALNI, V18, P123

[16] BRAUNE W, 1891, ALTHOCHDTSCH GRAMMAT

[17] Brugmann Karl, 1892, GRUNDRISS VERGLEICHE

[18] Buck Carl D., 1905, ELEMENTARBUCH OSKISC

[19] Coleman Robert, 1992, Indo-European Numerals, P389

[20] COMRIE B, 1992, IEN, P717