http://general-terms.thesaurus.ekt.gr/vocabhttp://general-terms.thesaurus.ekt.gr/vocab?tema=11332modern physics http://general-terms.thesaurus.ekt.gr/vocab?tema=11332 physics BT http://general-terms.thesaurus.ekt.gr/vocab?tema=11332 solid state physics RT http://general-terms.thesaurus.ekt.gr/vocab?tema=11332 elementary particle physics NT http://general-terms.thesaurus.ekt.gr/vocab?tema=11332 molecular physics NT http://general-terms.thesaurus.ekt.gr/vocab?tema=11332 nuclear physics NT