000 00271nam a2200109Ia 4500
008 181023s9999 xx 000 0 und d
020 _a0
100 _aGupta,Rameshwar Dayal
245 0 _aStudies on Pipeline Network
260 _c1988
_aUniversity Of Roorkee
942 _cPR
999 _c13606
_d13606