000
00219nam a2200097Ia 4500
008
230401s9999 xx 000 0 eng d
100
_a
NAG(P.K)
245
0
_a
PAWER PLANT ENGG.
260
_b
MCGRAWHILL
942
_2
ddc
_c
MTECH
999
_c
2928
_d
2928