DESY-HERA. ZEUS Collaboration. Measurements of K0 and Lambda production in neutral current deep inelastic scattering of 26.7 GeV electrons and 820 GeV protons in the kinematic range Q**2 from 10 to 640 GeV**2, x from 0.0003 to 0.01 and Jacquet-Blondel rapidity & gt; 0.04. Data for differential multiplicity distributions requested from the authors.