TY  - GEN
T1  - Thiele-Wittig's Weeks /
AU  - Thiele, Wittig Max H.,
N1  - Weeks 1616-2858, 1980-1985; Weeks 2859-3865, 1986-1990;.
ID  - 19457
KW  - WIPO AND UPOV DOCUMENTS : WIPO : INTERNATIONAL BUREAU
TI  - Thiele-Wittig's Weeks /
ER  -