POSITRONIUM AS A PROBE FOR CONCENTRATION CHANGES OF PHOTO-EXCITED TRIPLET STATES OF CHLOROPHYLL
Yao Shibing*; Zhou Shaomin;
Fang Jiangling
Acta Phys. -Chim. Sin. . 1988, (02): 136 -140 .  DOI: 10.3866/PKU.WHXB19880205