000			00407 a2200145 4500
080			_a551.501 _bI 39 I
245	1		_aInstructions to observers at the surface observatories _bPart I
260			_aDelhi _bIndia, Meteorological Department _c1954
650			_aObservation
650			_aSurface Observatories
700			_aIndia, Meteorological Department
100			_a _d
300			_a113 p.
901			_a64339
999			_c29514 _d29514