T. Butz, C. Vogdt, A. Lerf, H. Knozinger: TIME DIFFERENTIAL PERTURBED ANGULAR-CORRELATION OF GAMMA-RAYS EMITTED FROM MO-99-]TC-99 IN MOLYBDENUM-BASED CATALYSTS - THE NATURE OF MOLYBDATE SPECIES IN MOLYBDENA ALUMINA CATALYSTS. 1989Journal of Catalysis: 116. ISBN 0021-9517 http://dx.doi.org/10.1016/0021-9517(89)90073-0