00554nam a2200181Ia 4500 190327s9999||||xx |||||||||||||| ||und|| NITIL NITIL 21st 621.302 P397E Pender, Harold Electrical engineers handbook electric communication and electronics Harold Pender 4th New York Johnwiley 1967 Vp. Wiley Engineering handbook services Electrical engineering-Handbooks, mannuals etc Mcilwain, Knox BKS 58768 58768