00450nam a2200181Ia 4500 3950 Ost 20260507154800.0 251113s9999||||xx |||||||||||||| ||eng|| nitttr eng 608.7 J S Jewkes, John The sources of invention / Jewkes, John, Sawers, David, Stillerman, Richard Sawers, David Stillerman, Richard BK 3847 3847 0 0 0 0 NITTTR NITTTR 2026-05-07 0 608.7 J S 4118 2026-05-07 15:48:00 2026-05-07 BK