000 002640000a22001210004500
245 _aPrinciples of tribology
100 _aHalling, J., ed.
260 _aLondon
_bMacmillan
_c1975
300 _a401 p.
080 _a621.89
_bH3
041 _aEN
942 _cBK
999 _c103433
_d103433