Basics
Imported print text
Hisao Inagaki, "The easy method of entering the stage of non-retrogression", TPW 3, 1987, 24-28.
Imported raw data
47.16.125 Hisao Inagaki, "The easy method of entering the stage of non-retrogression", TPW 3, 1987, 24-28.
References
