000 00270nam a2200121Ia 4500
005 20260205042117.0
008 260111s9999||||xx |||||||||||||| ||und||
100 _aMACKAY J S
245 0 _aPLANE GEOMETRY
260 _aLOND.
_bCHAMBERS
_c1904
300 _a0
942 _cBK
999 _c26831
_d26831