TY  - BOOK
AU  - H.R. Pfau
TI  - Astrophilatelie: Handbuch fur den Weltraumsammler: Astrophilatly; Handbook for space exploration collectors
KW  - | Topical Collecting -- Rockets and Space | Topical Collecting -- Astronomy | Catalogs and Price Lists | Postal Markings | Postal Stationery
ER  -