000 00294nam a2200121Ia 4500
008 170101s1950 xx 000 0 und d
082 _a512 R86E
100 _aROSENBACH, J,B
245 0 _aEssentials of plane trignometry with tables
260 _bBoston
_c1950
300 _av.p
942 _2ddc
_cB
999 _c8301
_d8301