resistance of mine timbers to the flow of air as determined- by models / by Cloyde M. Smith
Smith, Cloyde M.
resistance of mine timbers to the flow of air as determined- by models / by Cloyde M. Smith - Urbana, Illinois : University of Illinois, Engineering Experiment Station - 64 p. - Bulletin ; no.279 .
resistance of mine timbers to the flow of air as determined- by models / by Cloyde M. Smith - Urbana, Illinois : University of Illinois, Engineering Experiment Station - 64 p. - Bulletin ; no.279 .