nikkei-science.com/page/magazine/0304/healthy.html。 Willett, Walter C.; Stampfer, Meir J. (2006). sp “Rebuilding the Food Pyramid”. Scientific American
June 1967. The Time Tunnel, Pyramid, January 1967; novelization of the TV series. 『タイム・トンネル』 The Time Tunnel: Timeslip!, Pyramid, July 1967; novelization
nikkei-science.com/page/magazine/0304/healthy.html。 Willett, Walter C.; Stampfer, Meir J. (2006). sp “Rebuilding the Food Pyramid”. Scientific American
nikkei-science.com/page/magazine/0304/healthy.html。 Willett, Walter C.; Stampfer, Meir J. (2006). sp “Rebuilding the Food Pyramid”. Scientific American