共 15 条
[1]
SCHRADER G, 1949, Patent No. 830262
[2]
SCHRADER G, MONOGRAPHIE 1, V62
[3]
SCHRADER G, 1950, Patent No. 836349
[4]
SCHRADER G, Patent No. 78639
[5]
SCHRADER G, 1951, Z ANGEW ENTOMOL, V33, P329
[6]
SCHRADER G, Patent No. 998052
[7]
SCHRADER G, 1949, Patent No. 824046
[8]
SCHRADER G, 1949, Patent No. 850677
[9]
SCHRADER G, 1947, BIOS1095 FIN REPT, P30
[10]
SCHRADER G, MONOGRAPHIE 2, V62