Primer of chromosome practice : by G. Haskell and A. B. Wills. plant and animal chromosomes under the microscope / Haskell, Gordon, 1920-1967. Wills, A. B., joint author. Chromosomes Laboratory manuals. Chromosomes laboratory manuals. QH605 .H276 575.11 HAP Includes Index. Bibliography: p. 168-171. Edinburgh, London : Oliver & Boyd, c1968. c1968. 1968 Text xv, 180 p. : eng