TY - JOUR T1 - Prostriedok na realizáciu „terénnych experimentov“ A1 - Cigánik, Vincent JA - Obzory matematiky, fyziky a informatiky Y1 - 2002 VL - 31 IS - 2 SP - 38 EP - 43 SN - 1335-4981 N2 - The article presents a new educational measuring set CBL2, as an instrument at elementary measurements in exteriors and classrooms. It presents its components. At the end of this article is demonstration of use the CBL2. ER -