000 00379nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aBrooks, R.L.
245 _aObservation of the lubricating oil film between piston ring and cylinder of a ru
260 _aAustralia
_c1948
300 _a1-13 p.
440 _aCommonwealth of Australia, Co
901 _a26329
942 _cB
_2udc
999 _c5047
_d5047