volvocales, tetrasporales and chlorococcales / Jeremy Pickett-Heaps and Julianne Pickett-Heaps Pickett-Heaps, Jeremy D. creator Pickett-Heaps, Julianne. moving image videorecording at Ascot Vale, Vic., Australia Sunderland, MA, USA Cytographics Pty. Ltd. Sinauer Assoc. [distributor] c1995 1995 monographic eng 31 p. : ill. ; 25 cm. 1 instructor's guide (31 p. ; 28 cm.) "This video disc offers teachers and students a dynamic view of evolution from simple to increasingly complex organisms." "A Cytographics production." Green algae Algae 589.47 PIC 0646242768 NNC 940210 20150329103326.0 1855249