Institute, A. (1969). Kwic index of rock mechanics literature. Volume I. Petroleum Engineers Inc.
Dyfyniad Arddull ChicagoInstitute, American. Kwic Index of Rock Mechanics Literature. Volume I. Petroleum Engineers Inc, 1969.
Dyfyniad MLAInstitute, American. Kwic Index of Rock Mechanics Literature. Volume I. Petroleum Engineers Inc, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.