MALACOLOGY DATA NET

VOLUME 1 :
#1 - April 1986
#2 - June 1986
#3 - August 1986
#4 - December 1986
#5 - April 1987
#6 - May 1987

VOLUME 2 :
#1 & 2 - December 1987
#3 & 4 - December 1988
#5 & 6 - May 1989

VOLUME 3 : 
#1 to 4 - April 1992
#5 & 6 - June 1994