TY - RPRT TI - Using stable isotopes to study resource acquisition and allocation in procellariiform seabirds. AU - Y Cherel AU - K A Hobson AU - H Weimerskirch PY - 2005 DO - 10.1007/s00442-005-0156-7 UR - https://pubmed.ncbi.nlm.nih.gov/16001219/ ID - 16001219 ER -