Extensions & Corrections to the UDC 32(2010)

The latest issue of the Extensions and Corrections to the UDC No. 32 (2010) contains a number of articles, bibliography of UDC editions and UDC related publications in 2010, two proposals for UDC changes: corrections and the extensions of Table 1c - =4  Afro-Asiatic, Nilo-Saharan, Congo-Kordofanian, Khoisan languages  and proposal for over 800 new entries under 512.7 Commutative algebra and