1-4 of 4 Books
Power system transients
Power system transients
By Juan A. Martinez-Velasco

Power System Transients
By Juan A. Martinez-Velasco
The effects of errors or variations in the arbitrary constants of simultaneous equations
The effects of errors or variations in the arbitrary constants of simultaneous equations
By George Harper Dell

Astronomical Papers Prepared for the Use of the American Ephemeris and ...
By Bureau of Equipment ,Bureau of Navigation