Practical microscopy / L.C. Martin and B.K. Johnson. Martin, L. C. (Louis Claude) Johnson, B. K. (Benjamin King), 1896- joint author. Microscopy. QH205 .M25 1958 578 MAP Includes bibliographical references and index. London : Blackie c1958. c1958. 1958 Text 138 p. eng Blackie's technique series