TY - GEN AU - Savvides, T., CN - K1411.2 ID - 24856 KW - Trademarks. KW - Copyright KW - Copyright KW - Licensing LA - eng T1 - Copyright for the copyleft movement :free licence upheld in the US / TI - Copyright for the copyleft movement :free licence upheld in the US / VL - GB 57 Sepages 2008 No 184, pages 15-16 ER -