| Newsletters Nº1 February-1978 |
 |
| Newsletters Nº2 June - 1978 |
|
| Newsletters Nº3 January-1979 |
|
| Newsletters Nº4 April -1979 |
|
| Newsletters Nº5 June-1979 |
|
| Newsletters Nº6 June -1980 |
|
| Newsletters Nº7 November-1980 |
|
| Newsletters Nº8 March -1981 |
|
| Newsletters Nº9 June-1981 |
|
| Newsletters Nº10 February-1982 |
|
| Newsletters Nº11 June -1982 |
|
| Newsletters Nº12 November-1982 |
|
| Newsletters Nº13 April-1983 |
|
|
| Newsletters Nº14 December -1983 |
|
| Newsletters Nº15 April-1984 |
|
| Newsletters Nº16 June -1984 |
|
| Newsletters Nº17 December -1984 |
|
| Newsletters Nº18 February -1985 |
|
| Newsletters Nº19 November-1985 |
|
| Newsletters Nº20 February-1986 |
|
| Newsletters Nº21 May-1986 |
|
| Newsletters Nº22 January-1987 |
|
| Newsletters Nº23 June-1987 |
|
| Newsletters Nº24 October-1987 |
|
| Newsletters Nº25 January-1988 |
|
| Newsletters Nº26 April-1988 |
|
|
| Newsletters Nº27 January-1989 |
|
| Newsletters Nº29 March-1990 |
|
| Newsletters Nº32 October-1991 |
|
| Newsletters Nº33 July-1993 |
|
| Extra Int`l Symposium October-1993 |
|
| Newsletters Nº34-35 December -1993 |
|
| Newsletters Nº36 June-1994 |
|
| Newsletters Nº37 September-1995 |
|
| Newsletters Nº38 May-1996 |
|
| Newsletters Nº39 June-1997 |
|
| Newsletters Nº40 January-1998 |
|
| Newsletters Nº41 May-1999 |
|
| Newsletters Nº42 March-2000 |
|
| |
|
| |
|
| |
|
|
