Harris, T.M <br/><br/>
The yorkshire jurassic flora. IV 

 - London  British museum   1974 
 - 150p.,8pl., ill.,  30 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ginkgoales <br/>Czekanowskiales
<br/><br/><label>Universal Decimal Class. No.: </label>582.42(420)  / HAR