Cellular evolution in the green algae / volvocales, tetrasporales and chlorococcales / Jeremy Pickett-Heaps and Julianne Pickett-Heaps. Pickett-Heaps, Jeremy D. Pickett-Heaps, Julianne. Green algae. Algae. 589.47 PIC "A Cytographics production." "This video disc offers teachers and students a dynamic view of evolution from simple to increasingly complex organisms." Ascot Vale, Vic., Australia : Cytographics Pty. Ltd. ; Sunderland, MA, USA : Sinauer Assoc. [distributor], c1995. c1995. 1995 Image 31 p. : eng