R. Schvaneveldt (Eds.) Ablex series in computational sciences Ablex Publ. Corp., Norwood, NJ, (1990)ed. by Roger W. Schvaneveldt. Literaturverz. S. 279 - 296. $5GBV.
D. Jonassen, K. Beissner, and M. Yacci. LEA. Lawrence Erlbaum Associates, Hillsdale, NJ, (1993)David H. Jonassen, Katherine Beissner, Michael Yacci. Includes bibliographical
references and index. $5GBV.