00406nam a2200145   450000100060000000300030000600500170000900800410002603500190006703500180008605000230010410000160012724500810014326000360022419319UR20220427164436.0061103|||||||||||||||||||||||||||||||| d  a(janium) 19308  a(janium)19307 4aQH212b.E4H38 19781 aHayat, M.A.10aPrinciples and techniques of electron microscopyb : biological applications  bVan Nostrand Reinhold Co.c1978