TY - SER AU - Mills,Andrew AU - Grosshans,Pauline AU - Hazafy,David TI - A novel reversible relative-humidity indicator ink based on methylene blue and urea KW - SENSORS KW - IF N1 - YI2010 M06 Sources - Analyst Sources - 135 (2) 2010 : 33-35 ISSN - 0003-2654 ER -