\u0395\u03ba\u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03b3\u03b9\u03b1 12\u03b7 \u03c7\u03c1\u03bf\u03bd\u03b9\u03ac \u03c3\u03c4\u03bf \u03a6\u03b5\u03c3\u03c4\u03b9\u03b2\u03ac\u03bb Photometria<\/a><\/blockquote><\/iframe>