The periodic table of the elements /
Puddephatt, Richard J.
The periodic table of the elements / R. J. Puddephatt. - Oxford : Clarendon Press, 1972. - x, 83 p. :
0198554079
Periodic law.---
541.24 / Pe
The periodic table of the elements / R. J. Puddephatt. - Oxford : Clarendon Press, 1972. - x, 83 p. :
0198554079
Periodic law.---
541.24 / Pe