000 00289nam a2200145Ia 4500
100 _aRajam, M. K.
_915308
250 _a1st Ed.
365 _cRs.
942 _cBK
245 _aTunnel Engineering
260 _bABS Publication
_c1958
082 _bRAJ
300 _a210p.
999 _c58273
_d58273
655 _aC-00
546 _aText in English
041 _aeng
300 _c20 cm.