000			00266nam a2200121Ia 4500
100			_aS.A.Y.S.
942			_cBK
245			_aScience at your service
260			_aLondon _bGeorge Allen & Unwin _c1946
082			_a608 _bS.A.Y.S.
300			_a102
546			_aEnglish
999			_c332459 _d332459
041			_aeng