000 00255nam a22000977a 4500
008 150831b xxu||||| |||| 00| 0 eng d
082 _a516 DOR
100 _aDORWART HAROLD. L
245 _aGEOMETRY OF INCIDENCE
260 _aNEW JERSEY
_bPRENTICE-HALL, INC
_c1966
999 _c1691
_d1691