The Theory of Valency /
Friend, J.Newton .
The Theory of Valency / Textual Documents J.Newton Friend. - 1st ed. / - New York : Longmans Green & Co , 1909. - 175p. ; 19cm.
Valency theory Valency theory G-Chemistry
541.39 / F 915 T
The Theory of Valency / Textual Documents J.Newton Friend. - 1st ed. / - New York : Longmans Green & Co , 1909. - 175p. ; 19cm.
Valency theory Valency theory G-Chemistry
541.39 / F 915 T
