Title: Search for New Physics Phenomena in Fermion-Pair Production 
 in e+e- collisions at centre-of-mass-energies up 202 GeV

The measurements of hadron and lepton-pair production cross sections and
leptonic forward-backward asymmetries performed with the L3 detector at
centre-of-mass energies between 130 GeV and 202 GeV, corresponding to
an integrated luminosity of approximatly 490 pb-1, are used to search
for new physics phenomena such as: contact interactions, 
exchange of virtual leptoquarks, scalar quarks and scalar neutrinos,
effects of TeV strings in models of quantum gravity with large extra
dimensions, non-zero sizes of the fermions and additional heavy gauge 
bosons Z'. No evidence for these phenomena is found and new limits on the 
parameters of these extensions of the Standard Model are set.