00297nam a2200121Ia 450000500170000000800410001704100080005808200130006610000200007924500440009926000230014330000090016620260720174642.0260720s1977    xx            000 0 und d  aeng  a420 THIL  aThirumalai, M S  aLanguage acquisition,thought & disaster  aMysorebCIILc1977  a138p