المؤلفون: Zerban, F., Sattler, L., Ambler, J., Snider, J., Byall, S., Spengler, O., Brendel, C., Sandera, K., Ruzicka, C., Schwabe, K., Kreschnak, R., Daggett, Wanda, Campbell, A., Whitman, J., Graap, E., Whitmoyer, R., Kopperl, W.

المصدر: Zeitschrift für Analytische Chemie; 1937, Vol. 111 Issue 7/8, p288-295, 8p

المؤلفون: Zerban, F. W., Sattler, L., Ambler, J. A., Snider, J. B., Byall, S., Spengler, O., Brendel, C., Sandera, K., Ruzicka, C. A., Schwabe, K., Kreschnak, R., Daggett, Wanda L., Campbell, A. W., Whitman, J. L., Graap, E., Whitmoyer, R. B., Kopperl, W.

المصدر: Fresenius' Journal of Analytical Chemistry; July 1937, Vol. 111 Issue: 7-8 p288-295, 8p

المؤلفون: Jonas, K. G., Borchers, E., Graap, E.

المصدر: Zeitschrift für Analytische Chemie ; volume 97, issue 7-8, page 297-298 ; ISSN 1618-2642 1618-2650

الاتاحة: http://dx.doi.org/10.1007/bf01747148
http://link.springer.com/content/pdf/10.1007/BF01747148.pdf
http://link.springer.com/article/10.1007/BF01747148/fulltext.html
http://link.springer.com/content/pdf/10.1007/BF01747148