000 00448nam a22001577a 4500
999 _c148266
_d148265
005 20210122152822.0
008 201021b ||||| |||| 00| 0 eng d
041 _aEN
082 _223
_a692.8
_bSTA
245 _aStandard specifications for construction and maintenance of roads and bridges
260 _aSri lanka
_bRoad development authority
_c1989
300 _a358 p.
509 _aNS
650 4 _93974
_aConstruction contracts
942 _cS