.Cole-Parmer Catalog 1979-80：Selected instruments, equipment and supplies for industrial research, health sciences, biological studies, chemistry, agriculture, environmental and pollution control. U. S. A..Printed Cole-Parmer Instrument Company,1978.
Cole-Parmer Catalog 1979-80：Selected instruments, equipment and supplies for industrial research, health sciences, biological studies, chemistry, agriculture, environmental and pollution control. U. S. A.
