000 00302nam a22001217a 4500
999 _c528279
_d528279
003 NUST
038 _amsohail
082 _a621.406
_bNAC
245 _aBlading Aggregate Surface
260 _aUSA
_bNational Association of Counties Research Foundation
_c1974
300 _a54, p:
_c27cm
942 _2ddc
_cBK