TY  - BOOK
AU  - Villiger,Mark Eugen
TI  - Customary international law and treaties: a manual on the theory and practice of the interrelation of sources 
SN  - 9041104585 (hardcover : acidfree paper)
AV  - KZ1277 .V55 1997
U1  - 341.3/7 21
PY  - 1997///
CY  - The Hague, Boston
PB  - Kluwer Law International
KW  - Customary law, International
KW  - Treaties
KW  - Interpretation and construction
N1  - Includes bibliographical references (p. [293]-323) and index
ER  -