TY  - BOOK
AU  - Hart,H.L.A.
TI  - Concept of law
SN  - (978)+0194423174
U1  - 340.1 
PY  - 1961///.
CY  - London
PB  - The English Language Book Society
KW  - International law
KW  - Laws and morals
KW  - Union of primary
N1  - Including index
ER  -