Helsinki Guarantees for Ukraine Committee.
The human rights movement in Ukraine: documents of the Ukrainian Helsinki Group, 1976-1980 /
Helsinki Guarantees for Ukraine Committee ; edited by Lesya Verba, Bohdan Yasen ; associate editor : Osyp Zinkewych ; introduction by Nina Strokata ; preface by Andrew Zwarun 
. - Baltimore : Washington : Toronto : Smoloskyp,  1980 
. - 277 p.  ill.  22 cm. 
<br/><label>  ISBN: </label>0-914834-44-4