The Earthquake Engineering Online Archive  NISEE e-Library

Identifier: Text-S19908
Title: Rock quality designation (RQD) after twenty years
Creator(s): Deere, Don U.; Deere, Don W.

Identifier: Text-S26428
Title: Judgment in geotechnical engineering : the professional legacy of Ralph B. Peck
Creator(s): Peck, Ralph B.; Dunnicliff, John; Deere, Don U.