1. Bevington, P. R. (1969)Data Reduction and Error Analysis for the PhysicalSciences, McGraw-Hill, New York, p 59−62.
2. Borer, P. N. (1975) inHandbook of Biochemistry and Molecular Biology: Nucleic Acids(Fasman, G. D., Ed.) 3rd ed., Vol. I, p 597, CRC Press, Cleveland OH.