00449nam a2200181Ia 4500008004100000020001500041082002000056100001500076245003800091250000600129260003500135300000800170650002300178650001800201653001200219653001600231700002000247170901s1966 xx 000 0 und d a0080164218 a582.01662bF12P aFaegri, K. 0aPrinciples of Pollination Ecology a2 aNew YorkbPergamon Pressc1966 a291 aBotanical sciences aPure Sciences aEcology aPollination aPijl, L. Vander