TY - GEN T1 - Program copyright :patent law in disguise / AU - Geissler, Bernhard H., VL - 1986 Vol 17 No 5 pages 608-617 ID - 7939 KW - Copyright. KW - Patents. KW - Industrial property. KW - COPYRIGHT : COMPUTER WORKS PROTECTION, SOFTWARE PROTECTION KW - PATENTS : PATENTABILITY : WORKING, PUBLIC UTILITY, POSSIBILITY OF REPETITION TI - Program copyright :patent law in disguise / ER -