00512nam a2200217Ia 4500 OSt 20220715093436.0 210210b1990 xxu||||| |||| 00| 0 eng d AL eng 621.381028 PENE PENFOLD (R A) 49703 Electronics: build and learn 2 ND BPB publications 1990 111 Electronics project 49704 Electronics 49705 045102 ddc BK 94443 94443 0 0 ddc 0 0 ELE AL AL 2021-02-17 24.00 0 621.381028 PENE 044514 2021-02-17 00:00:00 2021-02-17 BK 0 0 ddc 0 0 ELE AL AL 2021-02-17 24.00 0 621.381028 PENE 045102 2021-02-17 00:00:00 2021-02-17 BK