000 00326nam a2200121Ia 4500
008 130706s9999 xx 000 0 und d
020 _a0136777740
050 0 0 _aQA 533 J 65 1991
100 1 _aJohnston, C.L.
245 1 0 _aPlane trigonometry :
_ba new approach /
_cC.L. Johnston
300 _ap.
942 _2lcc
_kQA 533 J 65 1991
999 _c11619
_d11619