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easytune
11-21-2007, 12:28
Ако може някои ми помогне трябва ми доклад на тема "Горива.Екологични проблеми с горивата" [-( ...Благодаря предварително :smt003

sherry
11-21-2007, 13:38
http://goriva1.hit.bg/
http://bg.wikipedia.org/wiki/%D0%93%D0%BE%D1%80%D0%B8%D0%B2%D0%BE
http://209.85.135.104/search?q=cache:LVxXtZ7378oJ:www.ru.acad.bg/eco/zamyr1.htm+%D0%B3%D0%BE%D1%80%D0%B8%D0%B2%D0%B0+%D 0%BE%D0%BA%D0%BE%D0%BB%D0%BD%D0%B0+%D0%B7%D0%B0%D0 %BC%D1%8A%D1%80%D1%81%D1%8F%D0%B2%D0%B0%D0%BD%D0%B 5&hl=bg&ct=clnk&cd=5&gl=bg&client=firefox-a