000 00463nam a2200169Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a510.212
_bG458
100 _aGifford Emma
245 _aNatural tangents to every second of arc and eight places of decimals
260 _aManchester
_bAbel Heywood
_c1927
300 _aiii,620p
650 _aMathematics-tables
650 _aNatural tangents
942 _cBK
999 _c52042
_d52042