000 00649nam#a2200217#c#4500
999 _c4325
_d4325
003 IEF
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008 941205s1972 uuu####fr####| 0||u| |u
040 _aIEF
_cES-MaIEF
100 1 _aDreiblatt, David
_913611
245 _aThe economics of heavy earthmoving
_c David Dreiblatt; foreword by Seymour Melman
260 _aNew York [etc.]
_b Praeger Publishers
_c1972
300 _aXVII, 114 p.
_c24 cm
650 0 _969062
_aMOVIMIENTO DE TIERRAS
650 4 _947936
_aPAISES EN DESARROLLO
650 4 _932202
_aASPECTOS ECONOMICOS
700 1 _aMelman, Seymour
_929095
942 _cLIB
_2udc
942 _2udc