au.\*:("HEYER J")
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The Origins of regional inequalities in smallholder agriculture in Kenya, 1920-1973HEYER J.Eastern African Journal of Rural Development. 1975, Vol 8, Num 1-2, pp 142-181Article
Agricultural development in Kenya. An economic assessmentHEYER J. ed.1977, 388 p.Book
INFLUENCE DES RESINES SUR LE RETANNAGE: QUELQUES POSSIBILITES D'APPLICATIONHEYER J.1983; TECHNICUIR; ISSN 0040-1072; FRA; DA. 1983; VOL. 17; NO 2; PP. 6-10; ABS. ENG/GERArticle
IN HOUSE TRAINING FOR ON-LINE SEARCHING AT A SPECIAL LIBRARYHEYER J.1980; ON-LINE REV.; ISSN 0309-314X; GBR; DA. 1980; VOL. 4; NO 4; PP. 367-374Article
MIKROBIELLE VERWERTUNG VON AETHYLEN. = UTILISATION DE L'ETHYLENE PAR LES MICROORGANISMESHEYER J.1976; Z. ALLG. MIKROBIOL.; DTSCH.; DA. 1976; VOL. 16; NO 8; PP. 633-637; BIBL. 10 REF.Article
THREE NEW AFROTROPICAL SPECIES OF NEOCUNAXOIDES SMILEY (ACTINEDIDA: ACARIDA)DEN HEYER J.1980; PHYTOPHILACTICA; ISSN 0370-1263; ZAF; DA. 1980; VOL. 12; NO 3; PP. 129-146; ABS. AFR/FRE; BIBL. 7 REF.Article
A NEW CUNAXID SUBFAMILIY AND THE NEOTYPE DESIGNATION OF CUNAXOIDES CROCEUS (KOCH 1838) (PROSTIGMATA: ACARI)DEN HEYER J.1979; ACAROLOGIA; ISSN 0044-586X; FRA; DA. 1979; VOL. 20; NO 3; PP. 338-350; ABS. FRE; BIBL. 1 P.Article
High speed. Moderne Aspekte der Hochgeschwindigkeits-Abscheidung = High speed: modern aspects of high-speed precipitationHEYER, J.Metalloberfläche. 1995, Vol 49, Num 2, pp 113-117, issn 0026-0797, 4 p.Article
SIX NEW SPECIES OF THE SUBFAMILY COLEOSCIRINAE (CUNASCIDAE: ACTINEDIDA: ACARIDA)DEN HEYER J.1980; PHYTOPHILACTICA; ISSN 0370-1263; ZAF; DA. 1980; VOL. 12; NO 3; PP. 105-128; ABS. AFR/FRE; BIBL. 12 REF.Article
COLEOSCITINAE, A NEW CUNAXID SUBFAMILY AND TWO NEW SOUTH AFRICAN SPECIES OF COLEOSCIRUS BERLESE, 1916 (PROSTIGMATA: ACARI)DEN HEYER J.1979; ACAROLOGIA; ISSN 0044-586X; FRA; DA. 1979; VOL. 20; NO 4; PP. 522-541; ABS. FRE; BIBL. 14 REF.Article
SIX NEW SPECIES OF PSEUDOBONZIA SMILEY, 1975 (PROSTIGMATA: ACARI) FROM THE ETHIOPIAN REGION.DEN HEYER J.1977; J. ENTOMOL. SOC. SOUTH. AFR.; S. AFR.; DA. 1977; VOL. 40; NO 2; PP. 171-194; BIBL. 6 REF.Article
DESCRIPTIONS OF SEVEN AFRICAN SPECIES OF CUNAXA VON HEYDEN, 1826 (ACTINEDIDA: ACARIDA), WITH REMARKS ON THE GENUSDEN HEYER J.1979; PHYTOPHYLACTICA; ZAF; DA. 1979; VOL. 11; NO 1; PP. 23-42; ABS. AFR/FRE; BIBL. 35 REF.Article
FOUR NEW SPECIES OF ARMASCIRUS GEN. NOV. (PROSTIGMATA: ACARI) FROM THE ETHIOPIAN REGIONDEN HEYER J.1978; J. ENTOMOL. SOC. S. AFR.; ISSN 0013-8789; ZAF; DA. 1978; VOL. 40; NO 2; PP. 217-239; BIBL. 18 REF.; 90 ILL.Article
A NEW GENUS NEOSCIRULA (CUNAXIDAE:PROSTIGMATA: ACARI) FORM THE ETHIOPIAN REGION.DEN HEYER J.1977; J. ENTOMOL. SOC. SOUTH. AFR.; S. AFR.; DA. 1977; VOL. 40; NO 1; PP. 73-86; BIBL. 9 REF.Article
NOTES ON THE CUNAXID GENUS DACTYLOSCIRUS (ACTINEDIDA: ACARIDA) WITH DESCRIPTIONS OF TWO NEW SPECIES FROM THE ETHIOPIAN REGIONDEN HEYER J.1979; PHYTOPHYLACTICA; ZAF; DA. 1979; VOL. 11; NO 2; PP. 87-98; ABS. DUT/FRE; BIBL. 20 REF.Article
A NEW GENUS CUNABDELLA (PROSTIGMATA: ACARI) WITH A DESCRIPTION OF A NEW SPECIES FROM THE ETHIOPIAN REGIONDEN HEYER J.1975; ACAROLOGIA; FR.; DA. 1975; VOL. 16; NO 4; PP. 664-670; ABS. ALLEM.; BIBL. 6REFArticle
THE AFROTROPICAL SPECIES OF CYTA VON HEYDEN (BDELLIDAE: ACTINEDIDA: ACARIDA)DEN HEYER J.1981; PHYTOPHYLACTICA; ISSN 0370-1263; ZAF; DA. 1981; VOL. 13; NO 1; PP. 31-41; ABS. AFR/FRE; BIBL. 22 REF.Article
THREE NEW AFROTROPICAL SPECIES OF THE GENUS PULAEUS (CUNAXIDAE: ACARIDA)DEN HEYER J.1981; PHYTOPHYLACTICA; ISSN 0370-1263; ZAF; DA. 1981; VOL. 13; NO 2; PP. 87-99; ABS. AFR/FRE; BIBL. 10 REF.Article
DESCRIPTIONS OF SEVEN AFRICAN SPECIES OF CUNAXA VON HEYDEN, 1826 (ACTINEDIDA: ACARIDA), WITH REMARKS ON THE GENUSDEN HEYER J.1979; PHYTOPHYLACTICA; ZAF; DA. 1979; VOL. 11; NO 1; PP. 23-42; ABS. DUT/FRE; BIBL. 33 REF.; 103 ILL.Article
FIVE NEW AFRICAN SPECIES OF CUNAXA (ACTINEDIDA: ACARIDA)DEN HEYER J.1979; PHYTOPHYLACTICA; ZAF; DA. 1979; VOL. 11; NO 4; PP. 159-171; ABS. AFR/FRE; BIBL. 5 REF.Article
NEW AFROTROPICAL SPECIES OF CUNAXOIDES (ACTINEDIDA: ACARIDA)DEN HEYER J.1981; PHYTOPHYLACTICA; ISSN 0370-1263; ZAF; DA. 1981; VOL. 13; NO 2; PP. 63-85; ABS. AFR/FRE; BIBL. 17 REF.Article
SCUTOPALUS, A NEW CUNEXID GENUS FROM THE ETHIOPIAN REGION (PROSTIGMATA, ACARI)DEN HEYER J.1980; ACAROLOGIA; ISSN 0044-586X; FRA; DA. 1980; VOL. 21; NO 2; PP. 187-193; ABS. FRE; BIBL. 5 REF.Article
RUBROSCIRUS, A NEW CUNAXID GENUS (PROSTIGMATA: ACARI) WITH THREE NEW SPECIES FROM THE ETHIOPIAN REGIONDEN HEYER J.1979; ACAROLOGIA; ISSN 0044-586X; FRA; DA. 1979; VOL. 20; NO 1; PP. 70-92; ABS. FRE; BIBL. 19 REF.Article
BONZINAE, A NEW SUBFAMILY OF THE CUNAXIDAE (PROSTIGMATA: ACARI)DEN HEYER J.1978; ACAROLOGIA; ISSN 0044-586X; FRA; DA. 1978; VOL. 19; NO 4; PP. 601-618; ABS. GER; BIBL. 11 REF.Article
RISCUS, A NEW CUNAXID GENUS FROM THAILAND (ACARI: ACTINEDIDA: CUNAXIDAE)DEN HEYER, J.Acarologia. 2006, Vol 46, Num 3-4, pp 195-201, issn 0044-586X, 7 p.Article