Lenhoff, Edward S. Tools of biology [by] Edward S. Lenhoff. - New York Macmillan [1966] - viii, 120 p. illus. 24 cm. - Current concepts in biology series . 920504 LCCN: 66024051 //r89 Subjects--Topical Terms: Biological apparatus and supplies. LC Class. No.: QH324 / .L35 Dewey Class. No.: 574.028