000 00299nam a2200121Ia 4500
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100 _aBRITANNICA LEARNING LIBRARY
245 _aTECHNOLOGY & INVENTION
245 _hENGLISH
260 _aUSA
260 _b"ENCYCLOPEDIA BRITANNICA , INC."
942 _cBK
999 _c701
_d701