P. Harstela

发表

Technical, economical and ergonomical aspects of some new logging methods for thinnings in Finland.

P. Harstela, H. Kramer, 1980 .

Forest work science and technology. Part 1

P. Harstela, P. Harstela, 1993 .

Ergonomics and organization of chipping work.

P. Harstela, P. Kurvinen, 1980 .

Determination of pulse repetition frequency and effective sawing time with set tests, pulse study and frequency analysis.

P. Harstela, 1970 .

Studies on afforestation work I. The use of the semicircular hoe, the field spade, plant basket, plant bag, and the Heger and LMD-1 tree planters in planting Spruce in fields.

P. Harstela, S. E. Appelroth, 1970 .

Work postures and strain of workers in nordic forest work: A selective review

P. Harstela, 1990 .

The PIKA 75 harvester. A pilot study on productivity, accuracy of measurements, and strain on the operator at three levels of automation

P. Harstela, 1981 .

Influence of Small Control Levers of Grapple Loader on Muscle Strain, Productivity and Control Errors

P. Harstela, A. Asikainen, 1993 .