00350nam a2200133Ia 450000100060000000300040000600500170001000800410002704000110006804100080007908200180008724500890010570000220019414195Ost20260507155406.0251113s9999||||xx |||||||||||||| ||eng|| cnitttr aeng a503.21bM178  0aMcGraw-hill concise encyclopedia of science and technology. /cParker, Sybil P., ed. aParker, Sybil P.