共 13 条
[11]
VEIHMEYER FJ, 1937, T AM GEOPHYS UNION, V18, P302
[12]
WADLEIGH CH, 1946, SOIL SCI, V61, P225, DOI 10.1097/00010694-194603000-00004
[13]
White R. G., 1946, AGRIC ENGINEERING, V27, P21