Stevens Model 520/620

ウィキペディアから

Found in articles

Etymologiae, XIV. I [6]. ^ Wesley M. Stevens, "The Figure of the Earth in Isidore's De natura rerum", Isis, 71(1980): 268-277.Stevens, Wesley M. (1980). “The Figure

Found in articles

地球平面説

Etymologiae, XIV. I [6]. ^ Wesley M. Stevens, "The Figure of the Earth in Isidore's De natura rerum", Isis, 71(1980): 268-277.Stevens, Wesley M. (1980). “The Figure