00296nam a2200145Ia 4500 230706s9999 xx 000 0 und d 649.1 BOS BOSCO BUILDING SELF BETTER YOURSELF 1986 Technology S 794 794 2023-07-06 00:00:00 0 649.1 828 2023-07-06 S Science 0 0 0 0 SXC SXC 2010-07-01 Donated by Father's Library