00701nam a22001697a 4500003000500000082000800005100003000013245014800043264003700191300003100228650004400259700004500303856005700348942001300405999001900418952009400437NUST  a621  aISLAM ,TAYYAB UL 9121714  aTribological Study of Friction in Roller Follower Valve Train Considering Effects of Asperity Interaction and Roller Sliding /cTAYYAB UL ISLAM  aIslamabad: bSMME- NUST. c2019.  a59p. ;bSoft Copy, c30cm.  aMS Mechanical Engineering      9119495  aSupervisor : DR RIAZ AHMAD MUFTI9120100  uhttp://10.250.8.41:8080/xmlui/handle/123456789/12473  2ddccTHE  c608504d608504  00104070aSMMEbSMMEcTHEd2024-03-01l0o621pSMME-TH-418r2024-03-01w2024-03-01yTHE