00338nam a2200121Ia 450000500170000000800410001702000190005808200170007710000170009424500440011126000510015530000100020620260205105308.0260111s9999||||xx |||||||||||||| ||und||  a97881207181665  a428.24  V44B  aVas, Gratian 0aBrain teasers in english/by Gratian Vas  aNew DelhibSterling Publishers Pvt. Ltd.c2008  a159p.