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  • The performance of the agricultural sector in Tunisia. An indicator system to measure the performance of agrarian strategies
  • 1990
  • Regional differences in manufacturing performance : the case of the Canadian food and beverage industry, 1961-84
  • performance commerciale, et des prix. Baisse des taux de profit dans toutes les régions, moins marquée que dans l'ensemble du secteur industriel.
  • 1990
  • Evaluation of model performance when the observed data are subject to error
  • 1990
  • The performance of venture-backed Canadian firms, 1980-1987
  • 1990
  • Nine small communities with summer theatre companies in Southern Ontario are studied to assess the economic importance of out-of-town visitors who come for the performances. - (DWG)
  • 1990
  • Consideration of the available equations for prediction of aeolian sand transport led to the development of a model which relies on optimization techniques for the production of improved performance. The model has been applied
  • 1990
  • Human way-finding in an urban environment : a performance analysis of a computational process model
  • 1990
  • Explaining the recent performance of the European Community's major urban regions
  • 1990
  • The aim of the study was to delimitate the topoclimates and to give their quantitative description. Special field measurements in 8 points were performed during 12 months. Profile measurements have been proved along 3 lines. Five types
  • 1990
  • The A. shows that if a long-run cost function is incorporated into a Loschian model, counter-intuitive and novel performance characteristics can result. Under some circumstances welfare per area can decrease as cost levels decrease.
  • 1990
  • Problèmes d'évaluation des programmes de rattrapage scolaire en lecture et mathématiques. Présentation d'un indice de performance appliqué au district scolaire de Philadelphie.
  • 1990
  • The gravity network of the G.-D. of Luxemburg (96 stations) has been tied to the absolute station of the Brussels Observatory. This paper updates the gravimetric works performed in this country.
  • 1990
  • . A scenario experiment was performed in a small peripheral area of Finland, Northern Karelia, in the early 1980s, and preliminary results are given regarding its ability to evaluate the course of restructuring in manufacturing in this area.
  • 1990
  • The performance of conventional digital classification techniques has been compared to the visual interpretation of digitally enhanced images by testing the results statistically. - (LW)
  • 1990
  • The emission of artificial heat used for industrial purposes as well as communal and transportation ones was estimated with the use of the inventory of industrial and communal sources. The calculation was performed for January, July and for the year
  • 1990
  • The aim of this study has been the topoclimatological typology for the whole of Poland and its presentation on one map on a scale of 1:1 000 000. As a consequence of the earlier studies performed by J. Paszyński (1966, 1973, 1980) heat balance
  • 1990
  • Field studies which were performed in 1990 on a strain network yielded all quantities which are necessary to solve the mass-conservation equation with respect to the melting rate underneath the Filchner-Ronne ice shelf, Antarctica. The network
  • 1990
  • , and producer service firms. This theory remains an accurate account of the trade performance.
  • 1990
  • Etude de la relation entre dimension des entreprises et performances économiques en estimant des fonctions de production sur des entreprises appartenant à dix secteurs des industries agro-alimentaires. Utilisation de ces estimations pour apprécier
  • 1990
  • niveaux d'intensification, les performances économiques, les niveaux d'endettement, de revenu et de subvention. Une politique d'extensification laitière peut se justifier en montagne, à condition de minimiser le coût du foncier.
  • 1990