000 00218 a2200097 4500
001 43086
100 _aKells, L.M
245 _aPlave spherical trigonometry
260 _aLondon
_bMcGraw Hill
_c
090 _c26938
_d26938
942 _aNUST-CAE
_cM
_c18822
999 _c278159
_d278159