000 00238nam a2200109Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aLONEY(SL)
245 0 _aPLANE TRIGNOMETRY
250 _a1
260 _bBOOK PLACE
942 _2ddc
_cBTECH
999 _c4629
_d4629