(1) T. Oyabu, A. Sawada, T. Onodera, K. Takenaka, and B. Wolverton : “Characteristics of potted plants for removing offensive odors”, Sensors & Actuators B, 89, pp. 131-136 (2003)
(2) C. B. Dorgan, C. E. Dorgan, M. S. Kanarek, and A. J. Willman : “Health and Productivity Benefits of Improved Indoor Air Quality”, ASHRAE Trans.:Res., No. 4161, pp. 658-666 (1998)
(3) V. I. Lohr, C. H. Pearson-Mims, and G. K. Goodwin : “Interior Plants May Improve Worker Productivity and Reduce Stress in a Windowless Environment”, J. Environ. Hort., Vol. 14, No. 2, pp. 97-100 (1996-2)
(4) D. Gao, M. R. Knight, A. J. Trewavas, B. Sattelmacher, and C. Plieth, Self-Reporting Arabidopsis Expressing pH and [Ca2+] Indicators Unveil Ion Dynamics in the Cytoplasm and in the Apoplast under Abiotic Stress. Plant Physiology, Vol. 134, No. 3, 898-908 (2004-3)
(5) H. Nishina and T. Kawanishi : “Effects of Ornamental Foliage Plants on Thermal Environment and Comfort inside Room -Experimental Analysis in Spring and Summer-”, Environ. Control in Biol., Vol. 37, No. 1, pp. 73-81 (1999-1) (in Japanese)