000 00421nam a2200133Ia 4500
008 210828s9999 xx 000 0 und d
082 _aX5 .P098
100 _a"Sathiyakala, V "
245 0 _aStudy on Ecram in Railways
260 _aCoimbatore
260 _b PSG College of Arts and Science
260 _c2009
942 _cBK
999 _c137486
_d137486