Samuel Wood, Geiser <br/><br/>
Sex-ratios and spermatogenesis in the top-minnow, Gambusia Affinis 
Geiser, Samuel Wood 
 - Baltimore :  The John Hopkins University,  1923. 
 - 73 + p.  23 cm. 
<br/><br/><label>ISBN: </label>9781378277041 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sex (Biology); Spermatogenesis in animals; Eastern mosquitofish
<br/><br/><label>Dewey Class. No.: </label>597 SAM