Mackean, D. G. <br/><br/>
Class experiments in biology :  [students' book] / 
D. G. Mackean, C. J. Worsley, P. C. G. Worsley. 
 - London :  John Murray,  1982. 
 - 63 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology--Experiments.