TheB. coli test in the routine analysis of raw milk Jan SmitB. M. KrolA. J. van Wijk OriginalPaper Pages: 1 - 10
New enrichment methods for the cultivation ofBacterium coli and faecal streptococci in water samples T. Folpmers OriginalPaper Pages: 22 - 29
Mutual chances of contamination with tubercle bacilli for men and dogs J. D. Verlinde OriginalPaper Pages: 30 - 32
Ueber einige Formen vonVerticillium Dahliae Klebahn F. H. Van Beyma Thoe Kingma OriginalPaper Pages: 33 - 47
Sur les ferments protéolytiques duVibrio cholerae et duVibrio El Tor H. Beeuwkes OriginalPaper Pages: 48 - 55
Determination of the fertility of the soil by microbiological methods K. T. Wieringa OriginalPaper Pages: 56 - 70
Phosphat-Bestimmungen mittelsAspergillus niger F. C. GerretsenNora Blumendal OriginalPaper Pages: 71 - 98
On the use of micro-organisms in measuring a deficiency of copper, magnesium and molybdenum in soils E. G. Mulder OriginalPaper Pages: 99 - 109
Dissimilation of citric acid byStreptococcus paracitrovorus C. R. BrewerC. H. Werkman OriginalPaper Pages: 110 - 120
The suitability of disaccharides as respiration and assimilation substrates for yeasts which do not ferment these sugars A. J. KluyverM. Th. J. Custers OriginalPaper Pages: 121 - 162
The influence of the method of sampling on the accuracy of the determination of bacterial numbers in the soil G. W. Harmsen OriginalPaper Pages: 178 - 199
Studies upon the methane fermentation. IV. The isolation and culture ofMethanobacterium Omelianskii H. A. Barker OriginalPaper Pages: 201 - 220
The development of sulfanilamidopyridine-resistant strains of pneumococci in vivo J. Mulder OriginalPaper Pages: 221 - 226
On the incidental occurrence of rod-shaped, dextran producing bacteria in a beet-sugar factory L. H. C. Perquin OriginalPaper Pages: 227 - 249
The formation of acetic acid from carbon dioxide and hydrogen by anaerobic spore-forming bacteria K. T. Wieringa OriginalPaper Pages: 251 - 262
Beschreibung einiger neuer Pilzarten aus dem Centraalbureau voor Schimmelcultures, Baarn (Nederland) F. H. Van Beyma Thoe Kingma OriginalPaper Pages: 263 - 290
