@article{KotterHammon1984,
  author    = {Kotter, Michael and Hammon, Ulrich},
  title     = {Herstellung von Formk{\"o}rpern mit definierter Porenstruktur / Ulrich Hammon ; Michael Kotter},
  series = {Chemie - Ingenieur - Technik. 56 (1984), H. 6},
  journal   = {Chemie - Ingenieur - Technik. 56 (1984), H. 6},
  isbn      = {0009-286X},
  pages     = {455 -- 463},
  year      = {1984},
  language  = {de}
}
@article{KotterHammonRiekert1988,
  author    = {Kotter, Michael and Hammon, Ulrich and Riekert, Lothar},
  title     = {Formation of ethene and propene from methanol on zeolite ZSM-5 II. Preparation of finished catalysts and operation of a fixed-bed pilot plant / U. Hammon ; M. Kotter ; L. Riekert},
  series = {Applied catalysis. 37 (1988)},
  journal   = {Applied catalysis. 37 (1988)},
  isbn      = {0166-9834},
  pages     = {155 -- 174},
  year      = {1988},
  language  = {en}
}
@article{KotterHammonRiekert1989,
  author    = {Kotter, Michael and Hammon, Ulrich and Riekert, Lothar},
  title     = {Gewinnung niedriger Olefine aus Methanol bei partiellem Umsatz mit R{\"u}ckf{\"u}hrung / U. Hammon ; M. Kotter ; L. Riekert},
  series = {Chemie - Ingenieur - Technik. 61 (1989), H. 2},
  journal   = {Chemie - Ingenieur - Technik. 61 (1989), H. 2},
  isbn      = {0009-286X},
  pages     = {151 -- 152},
  year      = {1989},
  language  = {de}
}