Tayler, R.J..
The Origin of the Chemical Elements / - 1st ed / - London : Wykeham Publications Ltd.. - p.169 :
0-85109-280-2
Mathematics
B9:6 / L2T
The Origin of the Chemical Elements / - 1st ed / - London : Wykeham Publications Ltd.. - p.169 :
0-85109-280-2
Mathematics
B9:6 / L2T