Qualitative chemical analysis : a guide in the practical study of chemistry and in the work of analysis Q Science
Qualitative chemical analysis : a guide in the practical study of chemistry and in the work of analysis Q Science
Qualitative chemical analysis : a guide in the practical study of chemistry and in the work of analysis Q Science
Dictionnaire universel des poids et mesures anciens et modernes, contenant des tables de monnaies de tous les pays Q Science
On the solution of numerical functional equations; illustrated by an account of a popular puzzle and of its solution Q Science