000 00286nam a2200109Ia 4500
008 240531s9999 xx 000 0 und d
082 _a517 BEL
100 _aBell W. W.
245 0 _aSpecial functions for scientists and engineers.
260 _aLondon. D. V. N. C
_b1968
942 _cANF
999 _c315415
_d315415