000 00290nam a2200109Ia 4500
008 230327s9999 xx 000 0 und d
020 _a0
100 _aRamana, B.V.
245 0 _aHigher engineering mathematics
260 _aSingapore
_bMcGraw-Hill Book Company
_c2020
360 _a1.1 to 33.21.
999 _c29349
_d29349