Julius Lothar Meyer and Dmitri Ivanovich Mendeleev "Julius Lothar Meyer and Dmitri Ivanovich Mendeleev" "Julius Lothar Meyer and Dmitri Ivanovich Mendeleev" Julius Lothar Meyer and Dmitri Ivanovich Mendeleev Julius Lothar Meyer and Dmitri Ivanovich Mendeleev Julius Lothar Meyer and Dmitri Ivanovich Mendeleev Julius Lothar Meyer and Dmitri Ivanovich Mendeleev