1. K. S. Banerjee,Weighing Designs for Chemistry, Medicine, Economics, Operations Research, Statistics. Marcel Dekker Inc., New York, 1975.
2. B. Ceranka and K. Katulska,A-optimal chemical balance weighing designs with diagonal covariance matrix of errors, MODA 6, A. C. Atkinson, P. Hackl and W. G. Mller, eds., Physical, Heidelberg, 2001.
3. C. S. Cheng,Optimality of certain assymetrical experimental designs. Ann. Statist.6 (1978), 1239–1261.
4. Z. Gail and J. Kiefer,D-optimum weighing designs Ann. Statist.8 (1980), 1293–1306.
5. H. Hotelling,Some improvements in weighing designs and other experimental techniques, Ann. Math. Stat.15 (1944), 297–305.