“waves, about directions” / jukka-pekka kervinen. 2013 free pdf: http://randomflux.info/opcodepress/wavesaboutdirections1.pdf read it on line @ issuu: http://issuu.com/opcodepress/docs/wavesaboutdirections1 other authors & works @ opcode press: http://issuu.com/opcodepress _ Share this post: on Twitter on Facebook