000 00301nam a2200133Ia 4500
008 160316s2013 xxu||||| |||| 00| 0 eng d
020 _a
100 _aB.K. Pal
245 _aProblems And Concerns
250 _a1st
260 _aNEW DELHI
_bABC PUBLISHING HOUSE
_c2013
300 _a243
700 _a
_a
999 _c31326
_d31326