00385nam a2200133 a 450000500170000000800410001702000150005804100080007308200110008110000180009224500790011026400520018930000100024120260717092127.0260717s2005    ii            000 0 eng d  a8171419763  aeng04a516.161 aSharma, A. K.10aTextbook of 3-D :bCo-ordinate Systems and Straight Lines /cSharma, A. K. 1aNew Delhi :bDiscovery Publishing House,c2005.  a265p.