THE PROGRAMMABLE CALCULATOR AS A PEST MANAGEMENT TOOLWELCH SM; POSTON FL.1979; BULL. ENTOMOL. SOC. AM.; ISSN 0013-8754; USA; DA. 1979; VOL. 25; NO 1; PP. 7-9; BIBL. 10 REF.Article

VALIDATION OF PEST MANAGEMENT MODELSWELCH SM; CROFT BA; MICHELS MF et al.1981; ENVIRON. ENTOMOL.; USA; DA. 1981; VOL. 10; NO 4; PP. 425-432; BIBL. 15 REF.Article

ECONOMIC INJURY LEVELS: REALITY AND PRACTICALITYPOSTON FL; PEDIGO LP; WELCH SM et al.1983; BULLETIN OF THE ENTOMOLOGICAL SOCIETY OF AMERICA; ISSN 0013-8754; USA; DA. 1983; VOL. 29; NO 1; PP. 49-53; BIBL. 26 REF.Article

DISPERSION STATISTICS AND SAMPLE SIZE ESTIMATES FOR POPULATIONS OF THE MITE SPECIES PANONYCHUS ULMI AND AMBLYSEIUS FALLACIS ON APPLE = STATISTIQUE DE DISPERSION ET ESTIMATEURS DE LA TAILLE DE L'ECHANTILLON POUR DES POPULATIONS DE P. U. ET A. F. SUR LE POMMIERCROFT BA; WELCH SM; DOVER MJ et al.1976; ENVIRONMENT. ENTOMOL.; U.S.A.; DA. 1976; VOL. 5; NO 2; PP. 227-234; BIBL. 13REF.Article

A COMPUTER-BASED, EXTENSION PEST MANAGEMENT DELIVERY SYSTEMCROFT BA; HOWES JL; WELCH SM et al.1976; ENVIRONMENT. ENTOMOL.; U.S.A.; DA. 1976; VOL. 5; NO 1; PP. 20-34; BIBL. 10REF.Article

BIOLOGICAL CONTROL OF PANONYCHUS ULMI (ACARINA: TETRANYCHIDAE) BY AMBLYSEIUS FALLACIS (ACARINA: PHYTOSEIIDAE) ON APPLE: A PREY-PREDATOR MODELDOVER MJ; CROFT BA; WELCH SM et al.1979; ENVIRON. ENTOMOL.; ISSN 0046-225X; USA; DA. 1979; VOL. 8; NO 2; PP. 282-292; BIBL. 24 REF.Article

A COMPUTER-BASED EXTENSION DELIVERY-SYSTEM: PROGRESS AND OUTLOOKBRUNNER JF; CROFT BA; WELCH SM et al.1980; BULL. OEPP; FRA; DA. 1980; VOL. 10; NO 2; PP. 259-268; ABS. FRE/RUS; BIBL. 10 REF.Conference Paper

PETE: AN EXTENSION PHENOLOGY MODELING SYSTEM FOR MANAGEMENT OF MULTI-SPECIES PEST COMPLEXWELCH SM; CROFT BA; BRUNNER JF et al.1978; ENVIRON. ENTOMOL.; ISSN 0046-225X; USA; DA. 1978; VOL. 7; NO 4; PP. 487-494; BIBL. 17 REF.; 2 ILL.Article

SAMPLING SOUTHWESTERN CORN BORER POPULATIONS IN POSTHARVEST CORNPOSTON FL; WHITWORTH RJ; WELCH SM et al.1983; ENVIRON. ENTOMOL.; USA; DA. 1983; VOL. 12; NO 1; PP. 33-36; BIBL. 8 REF.Article