In the May 1971 issue of "Amazing", this review is followed by a short {{A|Ted White}} note, which reads: "For a scientific evaluation of Niven's Ringworld concept, see 'The Science in Science Fiction', last issue."
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| May 1971 |
|
Amazing Science Fiction, May 1971 | Ultimate Publishing Co., Inc. | MAGAZINE | 105 |