00673nam a2200193Ia 450000500170000000800460001703700290006304000200009204100130011208400240012510000270014924500840017624500530026026000090031330000090032294200220033199900210035395201050037420250508153453.0008  250505s9999    xx            000 0 eng d  aBooks to be hide in OPAC  aFEDLbengcFEDL  aeng2eng  a373.19, UNI/OqFEDL  aBrows Willis C9764092 0aExtraclass activities in aviation photography radio for secondary school pupils 0cU S Department of health, Education, and Welfare  c1956  a48p.  cHBh373.19, UNI/O  c1343089d1343089  00104070aFEDLbFEDLd2025-05-08l0o373.19, UNI/OpEL0026215r2025-05-08 15:34:53w2025-05-08yHB