000 00234 a2200097 4500
001 18876
100 _aCarslaw H S
245 _aElements of non Euclidean plane Geometry and Trig
260 _a
_bLongmans
_c1916
090 _c13965
_d13965
942 _aNUST-CAE
_cM
_c4408
999 _c253949
_d253949