00615nam a2200193 a 45000010008000000030008000080050017000160080041000330350023000740400027000970820015001241100029001392450065001682500013002332600054002463000025003006500048003256500048003733184845BD-DhUL20161110074816.0990917s1956    cou          s000 0 eng d  a(OCoLC)ocm42386486  aTRLcTRLdZCUdBD-DhUL  a025.4bLIC1 aThe library of Congress.12aClassification : bMilitary science / cLibrary of Congress.  a3rd. ed.  a[Washington, D.C.] :blibrary of Congress,c1952.  axi, 147 p. ;c28 cm. 0aClassificationxBooksxHighway engineering. 0aClassificationxBooksxTraffic engineering.