000 00331nam a22001337a 4500
020 _a0-309-03251-2
082 _a625.8
_bNAT
_cD
100 _aNational Research Council
245 _aLayered pavemetn systems
260 _aThe World Bank
_bWashington D.C
_c1981
300 _aiv, 79 p. :
_bill. :
_c10 Cm
650 _aMCE
942 _cBK
999 _c7924
_d7924