ISBNs beginnend mit 978-94-015-xxxx-xJoseph A. Obieta × The International Status of the Suez Canal Joseph A. ObietaSpringer NetherlandSoftcover1960 The International Status of the Suez Canal Joseph A. ObietaSpringer NetherlandSoftcover1970 The International Status of the Suez Canal Joseph A. ObietaSpringer NetherlandeBook2012