

Orthogonal Arrays Lists of orthogonal arrays , difference schemes and experimental design tools maintained by Warren F. Kuhfeld. support.sas.com/techsup/technote/ts723.html 

Orthogonal Arrays A library of over 200 orthogonal arrays maintained by N. J. A. Sloane. neilsloane.com/oadir/ 

Orthogonal Arrays and Covering Arrays Construction using permutation groups , by George Sherwood. testcover.com/pub/background/cover.htm 

SOMA Update Leonard Soicher reports on new SOMAs , which are generalisations of mutually orthogonal Latin squares. www.maths.qmw.ac.uk/~leonard/soma 

Some Constant Weight Codes As orbits of AG(2 , q) , PSL(2 , 2^f) and PGammaL(2 , 2^f) by Yves Edel. www.mathi.uniheidelberg.de/~yves/Matritzen/CWCodes/CWCode.html 

Ted Spence's Home Page Classification of Hadamard matrices and designs. www.maths.gla.ac.uk/~es/ 

The Hadamard Maximal Determinant Problem List of known {1 , 1}matrices with largest determinant and Doptimal designs. www.indiana.edu/~maxdet 

The Search for a Finite Projective Plane of Order 10 By C. W. H. Lam. www.cecm.sfu.ca/organics/papers/lam/paper/html/paper.html 
