The symbol for ProShares UltraShort Nasdaq Biotechnology in NASDAQ is: BIS.

As of July 2014, the market cap for ProShares UltraShort Nasdaq Biotechnology (BIS) is $70,800,000.00.

Daniele Faccio has written:

'Conical waves, filaments and nonlinear optics' -- subject(s): Laser pulses, Ultrashort, Nonlinear optics, Ultrashort Laser pulses

Andrew Marc Weiner has written:

'Ultrafast optics' -- subject(s): Industrial applications, Laser pulses, Ultrashort, Mode-locked lasers, Nonlinear optical spectroscopy, Nonlinear optics, Ultrashort Laser pulses

L. A. Rasmussen has written:

'Surface topography of the lower part of Columbia Glacier, Alaska, 1974-1981'

'Surface velocity variations of the lower part of Columbia Glacier, Alaska, 1977-1981' -- subject(s): Columbia Glacier (Alaska), Glaciers