共 7 条
[2]
LOFROTH G, 1970, NATURWISSENSCHAFTEN, V57, P393
[3]
LOFROTH G, 1974, Z NATURFORSCH C, VC 29, P651
[5]
WENNERBERG R, 1973, THESIS U STOCKHOLM S
[7]
WOODER MF, 1977, THESIS U SURREY