Bridges, Douglas. <br/><br/>
Varieties of constructive mathematics   
by Douglas Bridges, Fred Richman 
 - Cambridge  CUP  1987 
 - x, 149p. 
 - London Mathematical Society Lecture Notes series 97 .
<br/><br/><label>ISBN: </label>0521318025 
<br/><br/><label>Dewey Class. No.: </label>511.3  / N875