TY - GEN AU - Johnson,D A AU - Florence,T M TI - A study of some pyridylazo dyestuffs as chromogenic reagents and the elucidation of the nature of their metal complex spectra SN - 0039-9140 PY - 2012///1002 N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0039-9140(75)80063-4 ER -