000			00351nam a2200145Ia 4500
008			170519s9999 xx 000 0 und d
041			_aEnglish
082			_a501/NAG/STR
100			_aERNEST NAGEL
245			_aTHE STRUCTURE OF SCIENCE
260			_bMACMILLAN INDIA LIMITED _aNEW DELHI
300			_c618P
650			_aPURE SCIENCE
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999			_c75844 _d75844