TY - RPRT TI - Fusion frequency and light quantity. AU - A ANGEL AU - D A HEMS AU - W ROUSE AU - R C WOLEDGE AU - R A WEALE PY - 1959 DO - 10.1038/1841873a0 UR - https://pubmed.ncbi.nlm.nih.gov/13793660/ ID - 13793660 ER -