ISBN 3642080804 books & textbook

Pteridophytes and Gymnosperms (The Families and Genera of Vascular Plants)

Kramer, K.U. Green, P.S. Götz, Erich

Springer /2010-12-05 Paperback / 417 Pages
isbn-10: 3642080804 / isbn-13: 9783642080807