00293nam a2200121Ia 450000500170000000800410001704100080005808200150006610000150008124500240009626000420012030000090016220260720174649.0260720s2004    xx            000 0 und d  aeng  a371.4 SINT  aSingh, U K  aTechnical education  aNew DelhibDiscovery Publishersc2004  a315p