360
Red Mars, Kim Stanley Robinson, Bantam, New York, 1993. 572 pp. ISBN 0-553-56073-5; Green Mars, Kim Stanley Robinson, Bantam, New York, 1995. 624 pp. ISBN 0-553-57239-3; Blue Mars, Kim Stanley Robinson, Bantam, New York, 1997. 761 pp. ISBN 0-553-57335-7
891
Rent, resources, technologies: Alberto Quadrio Curzio, Fausta Pellizzari, Springer–Verlag, Berlin/Heidelberg/New York, ISBN 3-540-66007-0, 1999, pp. 259, 39 figures and 15 tables, DM 159.90