TY - BOOK AU - Cheng, T. C. (ed.) TI - Aspects of the biology of symbiosis SN - 0-8391-0039-6 U1 - 591.557 PY - 1971/// CY - Baltimore PB - University Park Press KW - Biology KW - Zoology -- Animals N1 - / 1486 / 21.03.1978; biology, zoology, animal biology ER -