https://collaboratory.gse.upenn.edu/sites/default/files/webform/pruvodce-udrzbou-dieselovych-generatoru.pdf
https://blogs.american.edu/wp-content/uploads/avatars/user/d34/zalohovani-datovych-center-pomoci-dieselovych-generatoru.html
https://training.mpsi.wayne.edu/users/173/files/8002?wrap=1&verifier=OZgxe9LNjxTBQsTOACT3kedz4Gi1K9oskS5U3D3N
https://manifold.eku.edu/groups/02dd5a95-134b-4f87-a05d-b30a8995279e/
https://m.canvas.umich.edu/eportfolios/2955/Home/Penosn_vs_stacionrn_elektrocentrly_Kter_volba_je_pro_vs_lep
https://cpeonline.ucdavis.edu/eportfolios/569/Home/5_dvod_pro_je_pravideln_drba_dieselovch_genertor_klem_k_jejich_dlouhovkosti
https://myelms.umd.edu/eportfolios/33684/Home/Jak_vybrat_sprvnou_velikost_dieselovho_genertoru_pro_v_projekt