000 00261nam a2200109Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
100 _aHamilton, J G
245 0 _aGraphs And Imaginaries
260 _bEdward Arnold
_aLondon
_c1904
650 _aGraphs
942 _cBK
999 _c9355
_d9355