共 11 条
[3]
JACOBS W, 1974, THESIS U BRIDGEPORT
[5]
KOK AJD, 1970, RECL TRAV CHIM PAY-B, V89, P313
[6]
REFFERS S, 1971, TETRAHEDRON LETT, P3001
[9]
VANBEKKUM H, 1971, RECL TRAV CHIM PAY-B, V90, P137