Bark, Dennis L. <br/><br/>
Agreement on Berlin :  a study of the 1970-72 quadripartite negotiations / 
Dennis L. Bark 
 - Washington, D.C. :  American Enterprise Institute for Public Policy Research,  1974 
 - 131 p. :  ill. ;  23 cm. 
 - Hoover Institution studies ;  45 .
<br/><br/><label>ISBN: </label>0844731358 
<br/><br/><label>LCCN: </label>74-83507 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Quadripartite agreement on Berlin, 1971