Mahabharata 1.2.54
अम्बोपाख्यानमपि च पर्व ज्ञेयमतः परम्भीष्माभिषेचनं पर्व ज्ञेयमद्भुतकारणम्
ambopākhyānamapi ca parva jñeyamataḥ parambhīṣmābhiṣecanaṃ parva jñeyamadbhutakāraṇam
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book