Volume 13, Bulletins 157-166. (157) Winogradsky Spontaneous Culture Method for Determining Certain Soil Deficiencies; (158) Production of Gum by Certain Species of Rhizobium; (159) Bacteriology of Butter: V. Studies on the Microorganisms in...
Volume 21, Bulletins 232-241. (232) Influence of Temperature and Humidity Upon the Growth of Chick Embryos in a Mechanically Ventilated Incubator; (233) Effect of Aeration Under Pressure on Diacetyl Production in Butter Cultures; (234) Tests of...