TY - SER AU - Hayat, M..A, TI - Principal and Techniqnes of Electron Milcroscopoy Vol. 1 SN - 0442156693 U1 - 578 PY - 1970/// CY - New York PB - Van Nostrand Reinhold Co. KW - Electron Milcroscopoy KW - Natural history of organisms ER -