|
|
1981 |
Books |
3216 |
|
|
1981 |
Books |
2194 |
|
|
1981 |
Books |
2974 |
|
|
1981 |
Books |
7827 |
|
|
1981 |
Books |
2943 |
|
|
1981 |
Articles |
7204 |
|
|
1980 |
Books |
7644 |
|
|
1980 |
Books |
2287 |
|
|
1980 |
Books |
2376 |
|
|
1980 |
Books |
7828 |
|
|
1980 |
Articles |
6962 |
|
|
1980 |
Books |
7807 |
|
|
1979 |
Articles |
3099 |
|
|
1979 |
Books |
7821 |
|
|
1979 |
Articles |
6961 |
|
|
1979 |
Books |
2262 |
|
|
1979 |
Books |
2286 |
|
|
1979 |
Articles |
2381 |
|
|
1978 |
Articles |
6929 |
|
|
1978 |
Articles |
7106 |
|
|
1978 |
Articles |
6931 |
|
|
1978 |
Articles |
2532 |
|
|
1978 |
Articles |
7111 |
|
|
1978 |
Articles |
7110 |