Cer

F. Wirth, V. Lenher, C. C. Meloche, E. J. Roberts, F. J. Metzger, Ph. E. Browning, H. E. Palmer, C. James, L. A. Pratt
1919 Analytical and Bioanalytical Chemistry  
doi:10.1007/bf01360695 fatcat:klnylypn6rettdiww5s4emcxzy