000
00310nam a2200145Ia 4500
008
220709s9999 xx 000 0 und d
082
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620.03
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RIG
100
_a
RIGGS J.L.
245
0
_a
ENGINEERING ECONOMICS.
250
_a
1
260
_b
M.G.H. INDIA PVT. LTD
300
_a
0
942
_c
BK
999
_c
79843
_d
79843