000 00295nam a2200121Ia 4500
008 200906s9999 xx 000 0 und d
082 _a514 R524
100 _aRICHARDSON,M
245 0 _aPLANE AND SPHERICAL TRIGONOMETRY
260 _bMACMILLANS, NEW YORK
_c1960
300 _a20X15
942 _cBK
999 _c61971
_d61971