The e(+)e(-) --> e(+)e(-)K(S)(0)K(+/-)pi (+/-) and e(+)e(-) --> e(+)e(-)eta pi (+)pi (-) final states are studied with the L3 detector at LEP using data collected at centre-of-mass energies from 183 GeV up to 202 CeV. The mass spectrum of the K(S)(0)K(+/-