ADLER ALAN D. /red./ 524,356 The biological role of porphyrins and related structures. Conference ... held by The New York Academy of Sciences on October 23, 24, 25, and 26, 1973. Ed. and conference chairman .Alan D. Adler. New York 1975 8° s. nlb. 6, 694, ilustr. Annals of the New York Academy of Sciences vol. 244.