Chou, C.-P.C.-P.ChouLee, N.N.LeeCHIA-PEI CHOU2019-12-102019-12-102013https://scholars.lib.ntu.edu.tw/handle/123456789/435361Investigations of skid resistance of manhole covers in Taiwanjournal article10.6135/ijprt.org.tw/2013.6(4).3442-s2.0-84880795423https://www.scopus.com/inward/record.uri?eid=2-s2.0-84880795423&doi=10.6135%2fijprt.org.tw%2f2013.6%284%29.344&partnerID=40&md5=2fa03fa016784ac941efcd8086e22f55