000 00345nam a2200133Ia 4500
008 151011s9999 xx 000 0 und d
020 _a8172361181
041 _aENG
100 _aGupta, Arvind
245 _aAt the cutting edge
260 _c1996
_aNew Delhi
_bPublications & Information Directorate
300 _axiii, 187p.
942 _cBK
_2udc
999 _c20398
_d20398