TY - BOOK AU - Gravé,Eric V. TI - Discover the invisible: a naturalist's guide to using the microscope SN - 0132153440 AV - QH205.2 .G73 1984 U1 - 578 19 PY - 1984/// CY - Englewood Cliffs, N.J. PB - Prentice-Hall KW - Microscopy N1 - "A Spectrum book."; Includes index; Bibliography: p. 193-195 ER -