000 00283nam a22001097a 4500
082 _a388
_bEMM
_cD
245 _aTransport and road Research Laboratory
260 _aBerkshire
_bTransport Operations Department
_c1982
300 _a26 p. :
_bill, ;
_c22 cm
650 _aMCE (D)
942 _cBK
999 _c3111
_d3111