30th International congress of pure and applied chemistry
1909 ◽
Vol 1
(8)
◽
pp. 610-625
1965 ◽
Vol 4
(11)
◽
pp. 959-961
1899 ◽
Vol 21
(1)
◽
pp. 73-102
◽
1913 ◽
Vol 5
(4)
◽
pp. 344-348