Bees from British Guiana Bulletin of the AMNH, Vol. XXXVIII, Art. XX, pp. 685-690

Theodore D. A.Cockerell

《Bees from British Guiana Bulletin of the AMNH, Vol. XXXVIII, Art. XX, pp. 685-690》，Theodore D. A.Cockerell。这是一部关于自然、科学、艺术的公版作品，适合在安静的片刻里慢慢读下去。