1. ‘The Lichen Symbiosis’;Ahmadjian,1967
2. ‘Ainsworth and Bisby's Dictionary of the Fungi’;Ainsworth,1971
3. The cytology and kinetics of cabbage root hair penetration by Plasmodiophora brassicae;Aist;Can. J. Bot.,1971
4. Histology of defense in plants;Akai,1959
5. Cell wall reaction to infection and resulting change in cell organelles;Akai,1971