"Indian nut absorbs metals"
HMB No. 1, 1995

"Froy - the first mercury dog!"
HMB No. 1, 1996

"Mercury trade and the Amazonas"
HMB No. 1, 1996

"Almadén - the natural mercury mine"
"In Spain mercury has been mined since long before the Christian era
HMB No. 1-2, 1999

Fireworks - Heavy millenium metals
HMB No. 1, 2000

Global mercury pollution and its expected decrease after a mercury trade ban
HMB No. 3, 2000