Symposium design of rock reinforeing :  Components and systems :  Sunnyside park hotel, johannesburg, friday 13 november 1987 

 - 107 páginas 
<br/><br/> A la cabeza de la portada: international society for rock machanics, south african national group 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mecánica de rocas<br/>Mecánica de suelos
<br/><br/><label>LC Class. No.: </label>TA706  / I59 1987