Measuring nominal and effective protection /
Wedi'i Gadw mewn:
| OCLC: | 11227425 |
|---|---|
| Prif Awdur: | |
| Awdur Corfforaethol: | |
| Iaith: | English |
| Cyhoeddwyd: |
Utrecht :
Drukkerij Elinkwijk,
1983.
|
| Pynciau: | |
| Fformat: | Traethawd Ymchwil Monograph Note that CRL will digitize material from the collection when copyright allows. |