000 00288nam a2200121Ia 4500
008 130409s9999 xx 000 0 und d
100 _aH.C SAXENA
245 _aELEMENTRY TRIGNOMETRY
260 _bS. Chand, New Delhi
_c1962
300 _a260
650 _aMATHS
_bB.SC.
942 _2ddc
_cBK
999 _c14768
_d14768