000 00285nam a2200121Ia 4500
005 20260325112146.0
008 260325s9999||||xx |||||||||||||| ||und||
082 _a513.1 Sh23S
100 _aSharma,D.R
245 0 _aPlane geometry
260 _aLOND.
_bSharma pub.
_c1985
942 _cBK
999 _c270590
_d270590