00395nam a2200157Ia 4500 20260807132732.0 180829s9999||||ii |||||||||||||| ||eng|| English 621.38 ALB Arguimbau, L.B 5649 Stuart, R. D. 5650 Frequency Modulation / L.B Arguimbau 1956. Methuen, . Physics 46 BK 7486 7486 0 0 0 0 NFIC NDCL NDCL CURRENT_STACK 2018-08-30 0.00 0 621.38 ALB 7843 2018-08-30 00:00:00 2018-08-30 BK