SPF Application Note 1:                                 Correlation of In-Vitro and In-Vivo SPF Testing Using the SPF-290AS™
SPF Application Note 2:                                 Some Practical Implications of Optical Reciprocity for Spectroscopic Instrumentation
SPF Application Note 3:                                 Increasing Productivity Through the Automation of the SPF-290AS™
SPF Application Note 4:                                 Summation in SPF Calculations of the SPF-290AS™
SPF Application Note 5:                                 Validation Kit for SPF-290AS™
SPF Application Note 6:                                 FDA Ruling and the SPF-290ASTM
SPF Application Note 7:                                 Sample Handling Information
SPF Application Note 8:                                 New Features of the SPF-290ASTM
SPF Application Note 9:                                 Comparison of leading SPF analyzers
SPF Application Note 10:                                ISO Ruling and the SPF-290AS™
SPF Application Note 11:                                PMMA Standard Plates for Instrument Control Purposes