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Photoelasticity with additional physical fields and optically active models : report at the Third International Congress on Experimental Mechanics, Los Angeles. May 13-18, 1973 : preprint
E. I. Klabunovski, M. M. Uffert, Hillar Aben, Siim Idnurm, Küberneetika Instituut
Towards a resilient ecosystem of the Baltic Sea Edgars Bojārs, Anda Ruskule, Vivi Fleming-Lehtinen, Eija Rantajärvi, Merle Kuris, Lauri Klein, Georg Martin, Johan Näslund, Frida Fyhr, Andris Urtāns