P. W. Holland

发表

A determination of the helium 4 content of near‐surface atmospheric air within the continental United States

D. E. Emerson, P. W. Holland, 1987 .

Helium in ground water and soil gas in the vicinity of Bush Dome reservoir, Cliffside Field, Potter County, Texas. Information Circular 8807

D. E. Emerson, P. W. Holland, 1979 .

An improved method for determining helium in water

P. W. Holland, 1989 .

Improved analyzer for determining helium-4 in parts-per-billion range. Report of Investigations/1986

P. W. Holland, C. A. Seitz, 1986 .

An analyzer for determining helium-4 in the parts-per-billion range

P. W. Holland, 1984 .