00388nam a2200133Ia 4500008004100000041000800041082001900049100002500068245002800093250001000121260000900131952009900140999001500239211209s1943    xx            000 0 und d  aeng  a516.24 N43 NAR  aNARASIMHA MURTHY N K  aMANUAL OF TRIGONOMETRY   a3 ed.  c1943  00104070aRITbRITd2021-12-31l0o516.24 N43 NARp1369r2021-12-31 00:00:00w2021-12-31yBK  c1369d1369