Koelsch
Journal of the American Chemical Society, 1933 , vol. 55, p. 3394,3398
Journal of the American Chemical Society, 1934 , vol. 56, p. 480,481, 483
Koelsch
Journal of the American Chemical Society, 1933 , vol. 55, p. 3394,3398
Journal of the American Chemical Society, 1934 , vol. 56, p. 480,481, 483