Tuckman, Howard P. <br/><br/>
On time to the doctorate  a study of the increased time to complete doctorates in science and engineering /  [electronic resource] : 
Howard Tuckman, Susan Coyle, Yupin Bae. 
 - Washington, D.C. :  National Academy Press,  1990. 
 - x, 177 p. :  ill. 
<br/><br/>Includes bibliographical references. 
<br/><br/><br/>Electronic reproduction. <br/>Palo Alto, Calif. : <br/>ebrary, <br/>2009. <br/>Available via World Wide Web. <br/>Access may be limited to ebrary affiliated libraries. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching (Higher)--United States.<br/>Engineering--Study and teaching (Higher)--United States.<br/>Doctor of philosophy degree.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>Q183.3.A1  / T83 1990eb