00435nam a2200133Ia 4500 250813s9999 xx 000 0 und d 8184850859 371.1480942 STE Sterling Experiments with Motion: Safe & Easy-to-Do Experiments Oklha Industrial Area Sterling Publishers Pvt Ltd (IND) 2008 30p. ill.[col]; 29 cm. 371.1480942 REF 371_148094200000000 5945 5945