TY  - GEN
AU  - Kopcke, Maris 
TI  - Short history of legal validity and invalidity : foundations of private and public law
SN  - 9781780688152
U1  - 340.114 23
PY  - 2019///
CY  - Cambridge
PB  - Intersentia 
KW  - Effectiveness and validity of law
KW  - Effectiveness and validity of law -- History
ER  -