Volume 34 July 1991 C176
Volume 36 Nov 1993 C315
Volume 37 Jan 1994 C18
Feb 1994 C60
1997 Volume 40
Jan L12; L13; L28
C14; C15; C16; C31
Mar L73
C81
Apr C105
Dec C371
C388
1998 Volume 41
Feb L44
Apr L106; L107
C102; C105; C106; C107
Jul C226
Aug L231-L237
C260-C266
Sep C292
Volume 42 March 1999 C90