[/URL][URL="http://docs.google.com/viewer?a=v&q=cache:hL2dTOePuEcJ:www.rgf.rs/predmet/RO/III%2520semestar/Osnovi%2520hidrogeologije/Predavanja/OsHG%252003%2520-%2520Fizicko-mehanicka%2520i%2520hidrogeoloska%2520svojstva%2520stena.pdf+gustina+pdf&hl=sr&gl=ba&pid=bl&srcid=ADGEESgL-Ml_Qm01L0bMLPeJDco9NnRRgpuelvTyyc2CxWAwu8fS8Z5S6uDPggX2ja-v4DUtuQ4m4aYubvJj58O8nmYLEDPuld4vEecylpItMdAVkXfGIngPzr9irnktvw3cNhoRUoD1&sig=AHIEtbR7G6_1mp3Wrbq7sGrBGIFh_Wyb_Q"]Fizička i hidrogeološka svojstva stena[/URL]