00277nam a2200121Ia 450000500170000000800410001704100080005808200170006610000180008324500260010126000200012730000080014720260720174718.0260720s1967    xx            000 0 und d  aeng  a371.333 AHLA  aAhluwalia S L  aAudio-visual handbook  aNew Delhic1967  a41p