THE EFFECT OF 1-OXYETHYLENEDIPHOSPHONIC ACID ON THE KINETICS AND THE MECHANISM OF INTERACTION OF MN3O4 WITH SULFURIC ACID SOLUTIONS Article Kishkina N.A., Gorichev I.G., Zaitsev B.E., Izotov A.D., Dukhanin V.S. ZHURNAL FIZICHESKOI KHIMII / Russian Journal of Physical Chemistry A. MEZHDUNARODNAYA KNIGA / Федеральное государственное бюджетное учреждение "Российская академия наук". Vol. 73. 1999. P. 653-660