General thoughts to the Kaon pair production in the threshold region
  Simple--minded thoughts about the cross sections for the reactions pp-->ppK+K- and pp-->ppK0K0 are presented, which certainly do not account for the complex coupled channel problem but rather provide some ideas into the mutual reaction dynamics. 
W. Oelert, H.-H. Adam, A. Budzanowski, E. Czerwinski, R. Czyzykiewicz,   D. Gil, D. Grzonka, M. Janusz, L. Jarczyk, B. Kamys...