共 14 条
[1]
BAILEY MA, 1927, REP EXT STAS EMP COT, P119
[2]
BAILEY MA, 1929, REP EXT STAS EMP COT, P159
[3]
BAILEY MA, 1928, REP EXT STAS EMP COT, P154
[4]
BURD LH, 1925, REP EXT STAS EMP COT, P41
[5]
EVELYN SH, 1934, REP EXP STAS EMP COT, P210
[6]
EVELYN SH, 1937, PROG REP EXP STAS EM, P136
[7]
EVELYN SH, 1936, PROG REP EXP STAS EM, P141
[8]
HANSFORD C. G., 1934, Report. Second Conf. Cotton Growing Problems, 1934., P178
[9]
HARLAND SC, 1939, GENETICS COTTON, P145
[10]
HARLAND SC, 1933, REP EXP STAS EMP COT, P162