J. M. Powell

发表

DISTRIBUTION AND OUTBREAKS OF DENDROCTONUS PONDEROSAE HOPK. ' IN FORESTS OF WESTERN CANADA

J. M. Powell, 1966 .

Climatic variation and trends in the boreal forest region of Western Canada

J. M. Powell, T. Singh, Teja Singh, 1986 .

A study of habitat temperatures of the bark beetle Dendroctonus ponderosae hopkins in lodgepole pine

J. M. Powell, 1967 .

THE LONG-TERM PERIOD VARIATIONS OF THE SX PHOENICIS STAR CY AQUARII

M. Joner, J. M. Powell, D. H. Mcnamara, 1995 .

Pollination and evolution

J. M. Powell, A. Richards, J. A. Armstrong, 1982 .

Arthropods from forest litter under lodgepole pine infected with the Comandra blister rust.

J. M. Powell, L. S. Skaley, 1975 .

The arthropod fauna collected from the comandra blister rust, Cronartium comandrae, on Lodgepole Pine in Alberta.

J. M. Powell, 1971 .

The role of natural biological agents in controlling a pine stem rust (Cronartium comandrae).

J. M. Powell, 1970 .

RELATIONS BETWEEN (FE/H) AND DELTA-M 1 FOR F AND EARLY-G STARS.

J. M. Powell, D. Mcnamara, 1985 .

Aspects of the quaternary geology of the Tari‐Koroba area, Papua

J. M. Powell, I. Mcdougall, P. Williams, 1972 .

Decreased Circumcision Rate With Videotaped Counseling

J. M. Powell, T. Wiswell, J. W. Bass, 1986 .

A Theoretical Period-Luminosity Relation of Dwarf Cepheids

J. M. Powell, D. Mcnamara, 1993 .

Birds of the Kananaskis forest experiement station and surrounding area : an annotated checklist

J. M. Powell, M. Powell, T. Sadler, 1975 .

A List of Vascular Plants from Polaris Bay, Northwest Greenland

J. M. Powell, 1971 .

Pine stem rusts of Canada.

J. M. Powell, Y. Hiratsuka, 1976 .

FUNGI AND BACTERIA ASSOCIATED WITH CRONARTIUM COMANDRAE ON LODGEPOLE PINE IN ALBERTA 1

J. M. Powell, 1971 .

Seasonal and Diurnal Periodicity in the Release of Cronartium comandrae Aeciospores from Stem Cankers on

J. M. Powell, L. Pinel, 1972 .

The influence of Penning ionization on the experimental determination of ionization coefficients in helium at low values of E/N

J. M. Powell, J. Dutton, 1971 .

Impact of pine stem rusts of hard pines in Alberta and the Northwest Territories.

J. M. Powell, Y. Hiratsuka, G. Sickle, 1988 .

CYTOLOGY OF THE AECIOSPORES AND AECIOSPORE GERM TUBES OF PERIDERMIUM HARKNESSII AND P. STALACTIFORME OF THE CRONARTIUM COLEOSPORIOIDES COMPLEX

J. M. Powell, Y. Hiratsuka, W. Morf, 1966 .

Natural Infection of Scots Pine by Lodgepole Pine Dwarf Mistletoe in Canada

J. M. Powell, 1968 .

THE PHYSICAL PROPERTIES OF THE SX PHOENICIS STAR CY AQUARII

M. Joner, J. M. Powell, D. H. McNamara, 1996 .

Rodent and lagomorph damage to pine stem rusts with special mention of studies in Alberta.

J. M. Powell, 1982 .

Statistics on stroke. A pilot study of the clinical evidence justifying the reporting of stroke on death certificates in Alameda County, California.

J. M. Powell, B. Schoenberg, 1968, California medicine.

INCIDENCE AND EFFECT OF TUBERCULINA MAXIMA ON CANKERS OF THE PINE STEM RUST, CRONARTIUM COMANDRAE

J. M. Powell, 1971 .