How to win the respect and admiration of the rest of the DP world. - Kim S. Andreasen; Svend Elkjaer Frandsen; Morten Kromberg (APL, 1987)

An Application Development Platform. - Morten Kromberg; Martin Gfeller (APL, 1990)

Arrays of objects. - Morten Kromberg (DLS, 2007)

APL since 1978. - Roger K. W. Hui; Morten Kromberg (Proc. ACM Program. Lang., 2020)