000 00334nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a007099059X
082 _a621
082 _b815 H1
100 _aHall Allens
245 0 _aTheory and Problems of M
260 _aNew Delhi
260 _bMHI
260 _c1961
300 _a339
999 _c21985
_d21985