共 8 条
[2]
BROOKER RM, 1967, LLOYD, V30, P73
[4]
JOSHI BS, 1967, TETRAHEDRON LETT, P4019
[6]
OKORIE DA, IN PRESS
[7]
REISCH J, 1968, TETRAHEDRON LETT, P4395
[8]
SESHADRI TR, 1973, J SCI IND RES INDIA, V32, P227