[1]CollectionofCzechoslovakChemicalCommunications,1997,vol.62,#4,p.672-678
[2]Patent:US6673799,2004,B1,.Locationinpatent:Pagecolumn19
[1]Patent:EP1122242,2001,A1,
[1]CollectionofCzechoslovakChemicalCommunications,1997,vol.62,p.672-678
[2]Patent:US6673799,2004,B1.Locationinpatent:Pagecolumn19
[1]CollectionofCzechoslovakChemicalCommunications,1997,vol.62,p.672-678
[1]CollectionofCzechoslovakChemicalCommunications,1997,vol.62,p.672-678
[1]CollectionofCzechoslovakChemicalCommunications,1997,vol.62,p.672-678
[1]CollectionofCzechoslovakChemicalCommunications,1997,vol.62,p.672-678