1990 OL
1990 OL
1990 OL
1990 Optical Elliptical Polarimetry and Centimeter Flux Observations of the Very Active Solar-Type Star HD 129333
1990 OS
1990 OS
1990 OS
1990 OS
1990 OS
1990 OS
1990 photometry of a small amplitude W UMA system LS Delphini
1990 SA
1990 SA
1990 SA
1990 SB
1990 SB
1990 SM
1990 SM
1990 SM
1990 SM = 1987 SB4