//=preg_replace('/[^a-z0-9]/', '', strtolower($formats[0]))?>//=$formats[0] ?>
Osnovy analitičeskoj chimii by: Skoog, Douglas A., 1918-2008, et al. Published: (1979)
//=preg_replace('/[^a-z0-9]/', '', strtolower($formats[0]))?>//=$formats[0] ?>
Metody organičeskoj chimii. Tom II, by: Houben, Josef, 1875-1940 Published: (1963)