00902nam0-22003491i-450-99000095303040332120110909120751.0000095303FED01000095303(Aleph)000095303FED0100009530320110909d1958----km-y0itay50------baengUSy---a---001yyPhotomicrographyby Roy M. Allen2nd ed.Princeton [N.J.]Van Nostrand1958xiii441 p.ill.24 cmLaboratorioTecnicheMicrofotografia770Allen,Roy M.44297ITUNINARICAUNIMARCBK99000095303040332140-0111638FI161 I A.6/0951295DAGENFI1DAGENPhotomicrography358069UNINA