000
00255nam a2200085Ia 4500
999
_c
9900
_d
9900
100
_a
I S T E New Delhi
245
_a
Summer School on Recent Trends in Pollution Control (19-30 May 1986)
260
_c
1986
_b
N.S.S. COLLEGE OF ENGG. PGT.
_a
Palakkad
942
_c
REF