//=preg_replace('/[^a-z0-9]/', '', strtolower($formats[0]))?>//=$formats[0] ?>
Tolstyje mnogosvjaznyje plastiny by: Šaldyrvan, V. A., et al. Published: (1978)
//=preg_replace('/[^a-z0-9]/', '', strtolower($formats[0]))?>//=$formats[0] ?>
Základy pružnosti a pevnosti by: Volek, František, 1940- Published: (2004)