Base replacement in permutite. I

[31] PRATOLONGO U, REND R 1 LOMB LETT, V43, P542

[32] RAMANN, 1916, INT MITT BODENKUNDE, V6, P1

[33] RAMANN, 1916, Z ANORG ALLG CHEM, V95, P113

[34] ROSTWOROWSKI G, 1912, J LANDW, V60, P223

[35] RUMPLER A, 1903, 5 INT K ANG CHEM 5 S, P59

[36] SCHULZE G, 1914, Z PHYS CHEM, V89, P168

[37] SIEDLER P, 1909, Z ANGEW CHEM, V22, P1019

[38] SILBER PG, 1881, CHEM GES, V14, P941

[39] SINGER F, 1910, THESIS TH BERLIN

[40] STEIGER G, 1902, AM J, V13, P31

[31] PRATOLONGO U, REND R 1 LOMB LETT, V43, P542

[32] RAMANN, 1916, INT MITT BODENKUNDE, V6, P1

[33] RAMANN, 1916, Z ANORG ALLG CHEM, V95, P113

[34] ROSTWOROWSKI G, 1912, J LANDW, V60, P223

[35] RUMPLER A, 1903, 5 INT K ANG CHEM 5 S, P59

[36] SCHULZE G, 1914, Z PHYS CHEM, V89, P168

[37] SIEDLER P, 1909, Z ANGEW CHEM, V22, P1019

[38] SILBER PG, 1881, CHEM GES, V14, P941

[39] SINGER F, 1910, THESIS TH BERLIN

[40] STEIGER G, 1902, AM J, V13, P31