共 48 条
[11]
ENGEL CR, 1951, THESIS ZURICH, P35
[12]
ENGEL CR, 1968, 5 INT S CHEM NAT PRO, P358
[13]
ENGEL CR, 1962, 2 INT S CHEM NAT PRO, P34
[14]
ENGEL CR, 1951, THESIS ZURICH, P62
[15]
ENGEL CR, 1951, THESIS ZURICH, P63
[16]
ENGEL CR, 1951, THESIS ZURICH, P65
[17]
ENGEL CR, 1951, THESIS ZURICH, P66