000 00345nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a852264704
082 _a621
082 _b31 KIR
100 _a"Kirchmayar, Leon K."
245 0 _aEconomic Operation of Po
260 _aNew Delhi
260 _bWiley
260 _c1958
300 _a260
999 _c27297
_d27297