共 49 条
- [21] FISCHER CW, 1950, 61 NY STAT FLOW GROW, P1
- [22] FISCHER CW, 1949, 49 NY STAT FLOW GROW, P9
- [24] The castor bean plant and laboratory air - Contributions from the Hull Botanical Laboratory 178 [J]. BOTANICAL GAZETTE, 1913, 56 : 0439 - 0442
- [25] HARVEY RB, 1925, MINNESOTA HORT, V53, P41
- [26] HARVEY RB, 1928, 247 MINN AGR EXP STA, P1
- [27] HARVEY RB, 1930, P AMER SOC HORT SCI, V26, P141
- [28] HARVEY RB, 1925, 222 U MINN AGR EXP S, P1
- [29] HECK W, 1961, 54 ANN M APCA
- [30] HECK WALTER W., 1965, J AIR POLLUT CONTR ASS, V15, P511