000 00257nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aTHOMPSON JE
245 _aTRIGONOMETRY FOR THE PRACTICAL WORKER
250 _a4
260 _c1982
_bVAN NOSTRAND REINFOLD CO.
999 _c23740
_d23740