1967

1. THE EFFECT OF UNIPOLAR POSITIVELY IONIZED AIR ON THE COURSE OF COCCIDIOIDOMYCOSIS IN MICE
   A.P. Krueger and H.B. Levine
   Int, J. Biometeor., 1967, Vol. 11, No. 3, pp. 279-288.
2. THE CHANGING PATTERN OF CHRONIC DISEASE DEATH RATES IN PENNSYLVANIA
   H. Barrett Bock
   Volume 1, 1967.
3. STUDIES ON THE AIR-ION-INDUCED GROWTH INCREASE IN HIGHER PLANTS
   S. Kotaka and A.P. Krueger
   Advancing Frontiers of Plant Sciences, 20: pp. 115-208 (1967).