E1 Popularised article
Laskiaisen monet laskut
Authors: Häkkinen K
Publication year: 2010
Journal: Tiede
Number in series: 2
Issue: 2
First page : 17
ISSN: 1457-9030
E1 Popularised article
Laskiaisen monet laskut
Authors: Häkkinen K
Publication year: 2010
Journal: Tiede
Number in series: 2
Issue: 2
First page : 17
ISSN: 1457-9030