[1]Ivanov;Dodova[DokladyBolgarskoiAkademiiNauk,1957,vol.10,p.477,479]
[1]Ivanov;Dodova[DokladyBolgarskoiAkademiiNauk,1957,vol.10,p.477,479]
[1]Ivanov;Dodova[DokladyBolgarskoiAkademiiNauk,1957,vol.10,p.477,479]
[1]Ivanov;Dodova[DokladyBolgarskoiAkademiiNauk,1957,vol.10,p.477,479]
[1]Saldaboletal.[LatvijasPSRZinatnuAkademijasVestis,1959,#4,p.81,85][Chem.Abstr.,1959,p.21862]