ISBN 6070703251 books & textbook
Triptofanito en la celula / Troptofanito in the cell (Spanish Edition)
Frenk, Julio Barrios, Andres Garcia Briseno, Luis
Joaquin Mortiz Editorial /2014T Paperback / 188 Pages
isbn-10: 6070703251 / isbn-13: 9786070703256