Comments on: Subject coding is changing from JACS3 to HECoS; here’s what’s different http://blogs.cetis.org.uk/wilbert/2015/04/22/subject-coding-is-changing-from-jacs3-to-hecos-heres-whats-different/ Cetis blog Wed, 09 Jul 2014 09:33:44 +0000 hourly 1 http://wordpress.org/?v=4.1.22